Signs for technical/specialized vocabulary

David Bar-Tzur

Links updated monthly with the help of LinkAlarm.

beta decay Illuminated letter Bbat held in someone's hand

Beta decay1; bat.2

A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

EXPLANATION OF THE GLOSSING SYSTEM
(to understand how I describe the signs in this dictionary).

For content knowledge of how to use the physics terms in context, see Guided tutorial in physics for interpreters.

For negotiating and developing temporary signs, see Preparation and sign negotiation

For vocabulary lists to determine helpful signs for a specific discipline, see Vocabulary lists by topic.


B0 meson
"B" + O"superscripted".

baal koreh
TORAH READER.

baal tefillah
PRAY LEADER.

baal t'shuvah
REPENT, GO-#BACK-TO TORAH.

baby crier
BABY CRY (MACHINE).

baby N connector
B-N-C.

Bachelor of Arts
DEGREE, B-A, where the first sign is (2h)[F] or [O], POs away, FOs up, touch side to side, then separate.

Bachelor of Science
DEGREE, B-S, where the first sign is (2h)[F] or [O], POs away, FOs up, touch side to side, then separate.

bachelor's (degree)
(<) B-A, (>) B-S.

back (anatomy)
(1) [A dot], PO > NDS, points once over shoulder to back. (2) FT of [B] tap DS shoulder.

backbone
(1) Touch backbone by bringing arm around waist to back, then (2h)G-CLs are held high, NDH above DH, and DH moves down to outline the shape of the backbone. For a QuickTime movie of this sign, see ASL browser - backbone. (2) Index finger taps back bone at neck and (2h)V:-CLs are held high, NDH above DH, and DH moves down to outline the shape of the backbone.

back dive
(1) [A dot], PO > NDS, FO up, moves thumb back over shoulder + DIVE. (2) [U^], PO down, FO > NDS, touches FT to [B], PO down, FO > DS, and DH jumps up and descends as [B], PO > NDS, FO up.

back dive straight
[U^ or U^ dot], PO down, FO > NDS, touches FT to [B], PO down, FO > DS, DH jumps up and descends as [B], PO > NDS, FO up.

back dive tuck
[U^ or U^ dot], PO down, FO > NDS, jumps off back hand of [B], PO down, FO > DS, DH rises and becomes an [S], PO < NDS, FO up, and descends as a [B], PO > NDS, FO up.

back door (basketball)
ME, DRIBBLE NDH makes a 1-CL showing "me" moving > NDS and holds it in place. YOU, DH makes 1-CL showing "you" moving > NDS and (2h)[B], start with FOs away, DPO down, NDPO up, hands move away together, then circle back slightly and end with FOs up the DH and then both move together.

back end
B-E.

background
(1) B-G is fingerspelled under NDH [B], PO down, FO > DS. (2) B,G-LAW, that is, is [B], PO away, touches upper half of NDH [B], PO down, FO > DS, then moves down while changing to [G] and touches lower half.

back hurdle (diving)
[U^ or U^ dot], PO down, FO > NDS, jumps off backhand of [B], PO down, FO > DS, bends to [U:], and descends as [U], PO > NDS, FO up, touch the backhand again.

back inward (dive)
[U^ or U^ dot], PO down, FO > NDS, jumps off back hand of [B], PO down, FO > DS, rises to [O^], PO up, and descends as [B], PO > NDS, FO up.

back pike (diving)
[B^], PO down, FO > NDS, jumps off back hand of [B], PO down, FO > DS, rises to [O^], PO up, and descends as [B], PO > NDS, FO up.

backrub
(2h) [B] tap shoulder twice, then both hands touch the shoulder and then move in a manner that is, similar to that of rubbing (massaging) a person's shoulder. For a QuickTime movie of this sign, see ASL browser - massage.

backslide
(1) AVOIDwg. (2) [V] touches FT to [B], PO up, and "slips and falls".

backstroke
(2h)[Bb], POs away, FOs up, alt. stroke backwards towards shoulders.

back-up

bacteria
(1) (2h)[A], the flat part of the DH nail on the thumb is rubbed against the flat part of the nail of the thumb of the other hand. (2) B-A-C-T.

bacteria vaginosus
B-V.

badminton
[bO], PO away, FO up, bats ball high in the air, moves slightly > DS, then bats again.

Bahrain (مملكة البحرين)
[As], taps ulnar (pinky) side of hand against the DS hip. For a film of this sign, click on Bahrain (مملكة البحرين).

Baird, Chuck
[C] taps DS of chin, changes to a [B] and taps chin again.

bait chaim
JEWISH + (2h)5-CL'grave' + THEREABOUTS. THEREABOUTS = [5], PO down circles parallel to the floor.

bait haknesset
(1) S,Y-CHURCH. (2) S-CHURCH. For a QuickTime movie of this sign, see ASL browser - synagogue.

Bait haMikdash
TEMPLE.

bait knesset
(1) S,Y-CHURCH. (2) S-CHURCH. For a QuickTime movie of this sign, see ASL browser - synagogue.

bait midrash
TALMUD STUDY PLACE.

bait olam
JEWISH + (2h)5-CL'grave'+ THEREABOUTS. THEREABOUTS = [5], PO down, circles parallel to the floor.

bait tefillah
(1) S,Y-CHURCH. (2) Starts like WORK and the DH is brought upwards in a small arc.

bake
DH [B], PO up, FO away, puts an imaginary object into the oven, which is represented by NDH [B], PO down, FO > DS, held high above.

balance

balance a chemical equation
CHEMICAL EQUATION, CHANGE'small back and forth' BALANCE.

balanced equation
EQUATION BALANCE FINISH, where EQUATION is execute the sign EQUAL, but with a single movement and immediately sign SENTENCE from the final position.

balance of authority
A-POWER, BALANCE.

balance sheet (Accounting)
BALANCE PAPER.

bald
[open 8], PO down, travels back from forehead.

balk

ball (Baseball)

ball and socket joint
Fist of [S] is loosely held by [C] and revolves in it with some nodding at the wrist.

ballet
(1) (2h)[B^], POs down, FOs away, hands alt. descend and ascend slightly as if dancing on one's toes. (2) [R] touches palm of [B], PO up. DH jumps up and opens to a [V] and then lands on palm back to an [R].

ball gown
(FANCY +) (2h)[5] touch thumbs to shoulders and descend deeply and slowly.

band
(1) FT of (2h)[1] moves as if conducting an orchestra. For a QuickTime movie of this sign, see ASL browser - orchestra. Note that the movie includes AGENT, which I believe is a mistake. To distinguish this from "orchestra", one could fingerspell B-A-N-D to the end. (2) (1) + GROUP.

bandage
FT of [U] run across back of NDH [B], PO down, FO away, as if applying a band-aid. If the location is known and if it is wrapped or taped, this may be shown on the body. For a QuickTime movie of this sign, see ASL browser - band-aid.

band-aid
FT of [U] run across back of NDH [B], PO down, FO away, as if applying a band-aid. If the location is known and if it is wrapped or taped, this may be shown on the body. For a QuickTime movie of this sign, see ASL browser - band-aid.

bandwidth
(1) B-W. (2) B-A-N-D WIDE, that is, (2h)[B], POs ><, FOs away, hands separate.

bangs
HAIR + (2h)[1] touch FTs at middle of forehead and separate showing lower hairline.

bank

banking
BANK SYSTEM.

bankrupt, bankruptcy

bank shot (basketball)
DH [1], PO down, moves horizontally at angle > NDS, strikes FT of index finger against NDH [B], PO > DS, FO away and bounces off at an angle.

baptism, baptize

baptismal font, baptistery
BAPTIZE PLACE.

Baptist
(2h)[A dot], POs ><, FOs away, both hands are tipped to one side so that the thumbs point > NDS, then > upwards. For an animated gif of this sign, see Animated dictionary of religious signs - Deaf Missions: Baptize.

bar
[A dot], PO away (or > NDS), FO up, shakes at chin.

barium
B-A. For more information on this and other elements, see The elements. And for fun, see Elements by Tom Lehrer. To see this song with captions, go to The Elements song by Tom Lehrer.

bar mitzvah (pl. b'nai mitzvot)
The NDH arm is held out in an [S] (like for the sign STONE) and the DH is held above in the HS used for signing TIE-KNOT while an imaginary strap is wound around the wrist. (< wrapping of t(e)fillin straps on the arm.)

barometer
(1) WEATHER TEMPERATURE, that is, (2h)[W], POs ><, FOs up, are in contact at the thumbs and maintain contact while twisting, then (2h)[1], DH, PO down, rubs up and down against ND, PO away. For a QuickTime movie of this sign, see ASL browser - barometer. (2) WEATHER GAUGE, that is, (2h)[W], POs ><, FOs up, are in contact at the thumbs and maintain contact while twisting, then DH [1], PO away, FO up, is held behind NDH [C], PO > DS, FO up, as if it were the frame to the meter, and the DH twists slightly as if it were the moving needle.

barometric pressure
WEATHER PRESSURE HOW-MUCH? that is, (2h)[W], POs ><, FOs up, are in contact at the thumbs and maintain contact while twisting, then DH [B], pushes down repeatedly with palm against NDH [S], FO away + HOW-MUCH?

barred spiral galaxy
[5:], PO up, FO away, is held above [S], PO down, FO away. DH descend and strikes NDH while closing to [S] + (2h)[C], POs ><<, FOs away, hands rush together (GRAVITY GROUP-TOGETHER = GALAXY) + (2h)[G], POs away FOs up, are held with DH above NDH and the hands spiral around each other and separate in a plane parallel to the chest.

bars (media production)
B-A-R-S. TV

bartender
DH [S] pulls back handle on draft tap for beer slightly twice.

Baruch haShem!
THANK GOD.

baryon
(1) B-A-R-Y-O-N. (2) Q-Q-Q, showing its quark/anitquark status.

base

baseball
(2h)[S] grasp imaginary bat in the usual way and swing very slightly twice.

based on
SET-UP, that is, (2h)[A], POs down, FOs away, DH twists and places little finger side against the wrist of NDH.

base-two (and so forth)
BASE~TWO, that is, DH [Bb], PO away, FO up, is held below NDH [B], PO down, FO > DS, circles horizontally, then HS changes to [2]. For a QuickTime movie of this sign, see ASL browser - binary. Note: a similar sign may be used for base-three, base-four, base-five, and so on.

basic (not acidic)
B-A-S-I-C.

basic input output system
B-I-O-S.

basket (basketball)

basketball
(1) [B] dribbles ball twice, then DH [B], PO away, FO away, nods as if making a basket while NDH supports the DH elbow. (2) (2h)[3] or (2h)[5], POs away, FOs up, are held high and twist rapidly.

bat

batch
B-GROUP.

batched
B-GROUP"each".

bat mitzvah (pl. batai mitzvos, mitzvot, or mitzvoth)
(1) GIRL M-DO'antisymmetrically'. (2) GIRL + the NDH arm is held out in an [S] (like for the sign STONE) and the DH is held above in the HS used for signing TIE-KNOT while an imaginary strap is wound around the wrist. (< t(e)fillin, which boys are obligated to use after their bar mitzvah; since girls get special obligations too, used as a parallel.)

batter (baseball)
BAT AGENT.

battery
(1) [V:] touches FTs to chin and moves > DS and then forward, like a "7". (2) ELECTRIC. (3) [X], PO > signer, FO > NDS, touches thumb side of [B], PO away, FO up, 2x.

batting average
(1) BAT AVERAGE. (2) BAT "A".

batting order
BAT, WHO FIRST, SECOND, THIRD?.

batting practice
BAT PRACTICE.

baud
B-A-U-D.

bayonet nut connector
B-N-C.

beaker
Palm of [B], PO up, FO away, strikes the bottom of NDH [C], PO > DS, FO away, then with NDH still in place DH [bC] touches FTs to those of NDH and moves > DS while closing to a [bO] to show the pouring groove.

beam (construction)
B-E-A-M.

beam angle (stage lighting)
[O^], PO down, FO away, descends diagonally while opening into a [5^] and eyes follow the angle of the beam.

bean
(1) [bX] twists at the FT of NDH [1] as if trying to open it. For a QuickTime movie of this sign, see ASL browser - bean. (2) DH flicks thumb against index finger while traveling down NDH [1], PO > DS, FO away, as if removing beans from a pod.

bear
(2h)[5:] cross arms at wrists and scratch chest. For a QuickTime movie of this sign, see ASL browser - bear.

beard

bearing (structural characteristic)
[S], PO > signer, FO > NDS, presses down on [B], PO down, FO > DS.

beast
The fingertips rest on the chest while the hands move back and forth. For a QuickTime movie of this sign, see ASL browser - beast.

beat (at a competition or war)

beat frequency oscillator
B-F-O.

Beatitudes
(1) B-LAW. (2) EIGHT BLESSING.

beaver
(1) [V:] wiggles FTs while "gnawing" at the elbow of NDH [5], held high as if it were a tree. For a QuickTime movie of this sign, see ASL browser - beaver. (2) (2h)[B], POs down, cross at wrists and DH waves as if slapping mud against dam with tail. (3) Arms are held like TABLE, but the DH is below with PO up and slaps the ND arm elbow. For a movie of this sign, see Dictionary of Sign (ASL) - beaver.

bedridden
[V], PO up, rests in the palm of NDH [B], PO up, and both hands circle vertically with th.

bee
DH [F] touches the cheek with its joined fingers to represent an insect biting; then changes to a [Bb] and brushes it aside. For a QuickTime movie of this sign, see ASL browser - bee.

beef
B-E-E-F.

Beelzebub
DEVIL

beeper
[B] closes thumb on palm twice at hip.

beer
BROWN: thumb side of [Bb] slides down DS of mouth twice.

beet
RED + DH [B] slices twice against NDH [S], PO down. For a QuickTime movie of this sign, see ASL browser - beet.

begotten of the Father, not made
GET-from above HEAVENLY-FATHER. NOT MAKE.

behavior
(2h)[B], POs down, FOs away, move side to side antisymmetrically.

behind (sports)
[A dot] points thumb down and descends.

bel
"B".

belch
[B^] touches FTs to middle of chest and hands moves upwards and down slightly while body moves forward. For a QuickTime movie of this sign, see ASL browser - belch.

Belgium
(1) [B], PO >NDS, touches side of mouth and moves away from signer.1 (2) [5:] touches fingertips to top of head.1 (< royal crown.) To see the reference source for the sign(s) for this country or to look up other countries in the same geographical area, see Indigenous signs for countries. To find signs for cities within this country (some have no entries) see Indigenous signs for cities.

believability
(1) BELIEVE CAN. (2) BELIEVE CAN+.

believe
DH [1] touches temple, then changes to a [C] and clasps the NDH [C]. For an animated gif of this sign, see Animated dictionary of religious signs - Deaf Missions: Believe.

belittle
(1) [L], PO away, touches back of [B] and closes to a [bO] while retaining contact, then repeats the motion but in the space of the person being belittled. (2) FEEL-SMALL, that is, [B] touches thumb to chest, then closes to a [O] while retaining contact, then repeats the motion but in the space of the person being belittled.

belittled
(1) FEEL + [L], PO away, touches back of [B] and closes to a [bO] while retaining contact. Similar to PRINT, but the NDH has PO down. For a QuickTime movie of this sign, see ASL browser - belittle. Note that I added a "d", since this signs refers to the person who feels belittled, not the person who belittles. (2) FEEL-SMALL, that is, [B] touches thumb to chest, then closes to a [O] while retaining contact.

Belize
[Bb], PO away from signer, FO up, descends in a wavy pattern. To see the reference source for the sign(s) for this country or to look up other countries in the same geographical area, see Indigenous signs for countries. To find signs for cities within this country (some have no entries) see Indigenous signs for cities.

bell bottoms
(2h)[B] trace outline of pants from sides of DS leg downward.

bellows (camera)
(2h)[B], POs ><, FOs away, are held side by side and separate while moving in an accordion-like fashion.

bell-shaped curve
C-U-R-V-E,
1outline-CL'drawbell-shaped curve'.
Bforearm-CL'x-axis'-------------->.

bellybutton
Thumbside of [F] is placed against the site of the belly button.

belt
(1) (2h)[G] traces outline of belt from sides to middle. (2) (2h)[H] approach and overlap, coming from sides.

belt-zone circulation
(2h)bC-CL'belt of planet' CIRCULATION.

Bemidbar
N-U-M.

benched

benchmark
MEASURE HOMOGENOUS.

bench warrant
COURT ORDER ARREST.

bend
(2h)[S], POs down, FOs away, hold an imaginary rod and bend it.

Bendara
AFRICA NATION FLAG. There is a long standing debate on a sign for AFRICA. Since Africa comprises many countries, there is no indigenous sign. For more discussion of this issue, see Introduction to use of indigenous signs. (1) Thumb of [A] circles face, but should not land on the nose. (2) [5^], PO away, outlines the shape of the continent by moving towards the right and then down while closing to [O^]. For a QuickTime movie of this sign, see ASL browser - Africa.

benediction

beneficiary
GET AGENT.

benefit
[F], PO down, FO >NDS, slides down DS of chest.

benefits and disbenefits (Business)
(1) BENEFIT, (<) POSITIVE ++-down, (>) NEGATIVE++-down. (2)(<) BENEFIT, (>) NOT BENEFIT.

benevolent
KIND, that is, (2h)[B], POs > signer, FOs ><, DH revolves around NDH. (< wrapping a bandage as an act of kindness.)

Benin
(1) [B], PO > signer, FO up, moves away while twisting to PO away from signer. (2) [B], PO away, FO up, moves > DS, then down. To see the reference source for the sign(s) for this country or to look up other countries in the same geographical area, see Indigenous signs for countries. To find signs for cities within this country (some have no entries) see Indigenous signs for cities.

bennies (amphetamine)
PILL (which see) + (2h)[S] are brought up to eyes and touch cheeks while opening to (2h)[C].

bentsh licht

Berkeley standard distribution
B-S-D.

berkelium
B-K. For more information on this and other elements, see The elements.

Bermuda
(2h)[B], POs > signer, are held with DH held high and NDH held at chest, both hands twist at wrists in place. (< from an indigenous dance.) To see the reference source for the sign(s) for this country or to look up other countries in the same geographical area, see Indigenous signs for countries. To find signs for cities within this country (some have no entries) see Indigenous signs for cities.

berry
(1) [F] pulls berry from mouth. Also used for "strawberry". For a QuickTime movie of this sign, see ASL browser - berry. (2) [O] twists FT against FT of NDH [1]. Also used for "strawberry".

beryllium
B-E. For more information on this and other elements, see The elements. And for fun, see Elements by Tom Lehrer. To see this song with captions, go to The Elements song by Tom Lehrer.

(Please) be seated!
(2h)[B], POs down, FOs away from signer, move down slowly.

best boy
ASSISTANT ELECTRICITY AGENT.

beta (lowercase, beta)
Draw the shape of the letter in the air with the index finger.

beta particle
Draw a lowercase beta (lowercase beta) in the air + hand is held PO up in somewhat of a [W] while the thumb is flicked against the little finger.

Bethlehem
"B" CITY.

betray
(1) [horns]-SUBSTITUTE. (2) NDH [1], PO >DS, FO up, is held at the wrist of DH [B], PO > NDS, FO away, and DH bends at wrist becoming FO > NDS. (3) INDEX-betrayer "verb", TRUST GONE. Supply the verb for what kind of action constituted the betrayal. (4) (2h)[horns], POs down, FOs > person being betrayed, DH descends and bounces off NDH > person being betrayed. (5) (2h)[horns], POs ><, FOs up, DH touches index finger to nose, moves > DS, then swings back and glances the NDH with the dorsum (back of hand). For a movie of this sign, see Dictionary of Sign (ASL) - betray.

betrayed
"verb", POSS.-betrayed TRUST GONE. Supply the verb for what kind of action constituted the betrayal. (2) (2h)[horns], POs down, DFOs away, NDFO > signer, DH descends and bounces off NDH > signer.

bewilder
CAUSE PERPLEXED, that is, (2h)[S] are held at the chest as if holding a rope and move forward while opening to (2h)[5] + [1], PO away, FO up, strikes the forehead with the back of the hand and then the finger curls like a question mark. For a QuickTime movie of the first sign, see ASL browser - cause and for the second sign see ASL browser - bewilder.

bewildered
PERPLEXED, that is, [1], PO away, FO up, strikes the forehead with the back of the hand and then the finger curls like a question mark. For a QuickTime movie of this sign, see ASL browser - bewilder. Note that I added an "ed", since this signs refers to the person who feels bewildered, not the person who bewilders someone.

bewitch
(2h)[5], POs down, FOs > the person or thing being bewitched, FTs wg with eyes squinting. For a QuickTime movie of this sign, see ASL browser - bewitch.

bewitched
[5] points its FT > the signer's face, FT wg and hand moves away from face with the face following after it and the hand closes to [S] with thp. For a QuickTime movie of this sign, see ASL browser - bewitch.

Bi
B-I.

bias
(1) B-I-A-S. (2) AGAINST.

Bi-Bi
B-I-B-I.

Bible

bicameral
CONGRESS HAVE TWO* GROUP, where the first sign is C-MEMBER.

bid
(2h)[B], POs away, FOs up, alt. raise and lower hands.

Big Bang
(1) B-I-G B-A-N-G. (2) LONG-AGOwg UNIVERSE EXPLODE.

Big "D" Deaf
[bC] is held against the index finger, similar to WORD but held up so that it looks like an upper case "D" + DEAF.

bijection
(1) B-I-J-E-C-T. (2) (one-to-one map) (2h)[1], POs ><, FOs up, hands move alt. up and down + M-A-P.

bilateral
BOTH + (2h)[B], run palms down the sides of the chest.

bilingual
B-I LANGUAGE.

Bilingual-Bicultural
(1) (<) B-I LANGUAGE, (>), B-I CULTURE. (2) B-I-B-I.

billion

billions of floating point operations per second
G-F-L-O-P-S.

bimah
(2h)[B], POs down, FOs away, touch thumbsides, separate, twist so that POs ><, and move downwards.

binary pulsar
DOUBLE + (2h)[O^], POs away, FOs up, flash open and closed repeatedly.

binary
BASE~TWO, that is, DH [Bb], PO away, FO up, is held below NDH [B], PO down, FO > DS, circles horizontally, then HS changes to [2]. For a QuickTime movie of this sign, see ASL browser - binary.

binary coded decimal
B-C-D.

binary star
DOUBLE STAR.

binary synchronous communications
B-S-C.

binding (chemistry)
(2h)[F] join together and are moved back and forth. For a QuickTime movie of this sign, see ASL browser - bond.

binding energy
CONNECT ENERGY.

Bin Laden, Osama (Usama)
(1) Trace the outline of the head with [B], FO down, then trace the beard from chin down with [L:], PO > signer, FO > NDS. (2) B-L. (3) O-B-L.

binoculars
(2h)[C] twists at eyes as if focusing binoculars. For a QuickTime movie of this sign, see ASL browser - binoculars.

binomial
[B], PO > NDS, FO away, moves > DS in two small arcs.

binomial coefficient
BINOMIAL C-O-E-F-F. Note: A given binomial is of the form , is read "n over k", and is signed N, K'produced below N' (2h)bC-CL'parentheses surround n over k'.

biofeedback
B-I-O + FEEDBACK.

bio female
BORN GIRL/WOMAN.

biology
B-SCIENCE. For a QuickTime movie of this sign, see ASL browser - biology.

bio male
BORN BOY/MAN.

bioreactor
1outline-CL'draw outline of larger circle from above'.

bi-partisan
ALL (BOTH) P-A-R-T-Y CO-OPERATE.

bipolar (disorder)
(2h)[open 8], FTs rub against chest as the hands alt. rise and fall.

bipolar complementary metal-oxide semiconductor
B-I-C-M-O-S.

bipolar field-effect transistor
B-I-F-E-T.

bipolar flow
TWO (PO > signer) WAY + (2h)[4:], POs down move > opposite sides while DH brushes over the top of the NDH and then repeat.

bipolar junction transistor
B-J-T.

"bips" (Bits Per Second)
B-P-S.

Birkat haMazon
EAT BREAD FINISH, BLESS.

birth

birth control
(1) BECOME-PREGNANT PREVENT, where the first sign is (2h)[5], FOs >< moves towards each other from the sides of the stomach and interlace FTs. (2) B-C. This sign is often limited to "the pill".

birth defect
BORN, BODY HAVE PROBLEM.

bisect
DIVIDE (>) ONE-HALF, (<) ONE-HALF.

(perpendicular) bisector
DH [1^], PO down, touches NDH [1], PO down, FO > DS, at midjoint + DIVIDE (>) ONE-HALF, (<) ONE-HALF.

bisexual
(1) B-I-S-E-X-U-A-L. (2) B-I. (3)(MALE, FEMALE +) DH [V:], PO away from signer, NDH [V], PO > signer. DH moves back and forth from one finger to the other of the NDH. (4) [V:], PO down, hops side to side over [B], PO > DS, FO away. (5) [as a joke] NDH [Bb] is held at the face like the beginning position for STRAIGHT, and GAY is signed so that the thumb and forefinger encase the NDH.

bishop

bismuth
B-I. For more information on this and other elements, see The elements. And for fun, see Elements by Tom Lehrer. To see this song with captions, go to The Elements song by Tom Lehrer.

bison
(2h)[C] are held at temples and arc out while closing to (2h)[S] to indicate horns. For a QuickTime movie of this sign, see ASL browser - bison.

bit (computers)
DH [Bb] skips down the palm of NDH [B], PO > DS, in tiny jumps.

bite

bit error rate tester
B-E-R-T.

bits per inch
B-P-I.

bits per second
B-P-S.

Black (African American)
There is a subtle difference between BLACK the color and BLACK the cultural identity. The color actually runs the FT along the forehead, whereas the cultural identity keeps the FT about six inches away from actual physical contact. There seems to be a trend towards this with many cultural signs such as GAY and LESBIAN where full contact has been changed to partial or no contact.

black dwarf
BLACK STAR + [rolled F]-CL"sma" where the handshape is an F, but the index and thumb are curled tightly and the hand moves away in an intense motion and "sma" is mouthed.

black hole
BLACK + (2h)[C], FOs up, touch FT to make hole.

black-out

bladder, urinary
"T" (mouth "urine") + (2h)[C] tap FTs together at belly.

blameless
INNOCENT.

blanche (health sciences)
Press on area that should blanche (or back of hand if this is used generally) + WHITE with hand reopening and "throwing" the whiteness against the area that blanches.

B-Language
"B" LANGUAGE.

blank

blaspheme, blasphemy
[5:], PO > signer, is held at mouth and moves away while closing to [S].

blast
(2h)[S] are held low at chest and crossed at wrists. The hands rise and open to (2h)[5] while showing by mouth and facial expression the act of explosion. For a QuickTime movie of this sign, see ASL browser - blast.

blasting (welding)
The [L], PO > signer moves back and forth aimed at the palm of NDH with squinted eyes and blowing between lips as if a lot of pressure is being exerted.

blast-off
[R] blasts off from [B], PO up or down. For a QuickTime movie of this sign, see ASL browser - blast-off.

blazars
B-L-A-Z-A-R-S.

bleed

bless
(1) (2h)[A], FOs away from signer, held at mouth with DH closer to mouth. Hands are brought downwards while opening to (2h)[B]. (2) (2h)[O^], POs ><, held at mouth. Hands are brought downwards while opening to (2h)[5]. (3) (2h)[A], thumbside held at forehead. Hands are brought downwards while opening to (2h)[B]. For an animated gif of this sign, see Animated dictionary of religious signs - Deaf Missions: Bless.

blink
[G], PO > NDS, FO up, is held alongside eye and closes while that eye blinks. Can be two handed if both eyes are meant.

blini, bliny
NDH [B], PO up, FO away, [F], PO away, circles above NDH palm.

block

blockade
(2h)[B] cross at wrists and push outward in a defensive gesture. For a QuickTime movie of this sign, see ASL browser - blockade.

blockage
STUCK, PREVENT (FLOW or MOVE).

block check character
B-C-C.

blocking (theater)
MOVE.

blood
(2h)[5], POs towards signer, FOs ><, NDH is held under chin and DH descends once from mouth while wiggling FT. Note difference from BLEED above.

blood pressure
BLOOD + [C] grasps NDS upper arm, like a blood pressure cuff.

bloodshot eyes
(1) RED + (2h)[5:], PO > eyes, draw their FT across the eyes as they separate. (2) RED + (2h)[5:], PO > eyes, rush towards the eyes.

blood test

blood transfusion
BLOOD + EXCHANGE.

blouse
(2h)[5] touch thumbs to shoulders and descend to waist, but with an outward arc that shows the puffiness of a blouse.

blow-by (piston)
[4], PO > NDS, FO away, brushes repeatedly up fingers of [C], , PO > signer, FOs > DS air is blown through lips.

blower
(1) 5^-CL is held next to mouth and hand moves in a circle with the wrist static while the mouth blows out air. (2) Cup hands around mouth and blow out + MACHINE.

blow something off
[F], PO down, twists upwards while changing to a [K] while mouthing "fisk".

blueberry
BLUE + BERRY (see above). For a QuickTime movie of this sign, see ASL browser - blueberry.

blue shift
NDH [5], PO towards, FO up and DH [B], PO > NDS, FO up. DH pivots from middle finger to little finger as if shifting towards the blue side + BLUE.

bluff
FLATTER with th. For a QuickTime movie of this sign, see ASL browser - bluff.

B'nai Yisrael
Don't sign CHILDREN O-F ISRAEL! Better, (1) JEWISH PEOPLE. (2) (2h)#ALL JEWISH PEOPLE.

boa
(2h)[5:], POs > neck, FOs up, start below chin and separate while wg + [O^] throws one end of the boa across NDS shoulder.

board

Board of Deacons
B,D-MEMBER.

board of directors
[B], PO > NDS, FO up, touches NDS of upper chest, then changes to [D] and touches DS of upper chest.

bochur, yeshiva
YESHIVA STUDENT.

bodhisattva
ENLIGHTENMENT FINISH, BUT STAY HELP OTHER.

bodek
INSPECT ANIMAL FOR KOSHER.

body

body aid
BODY + (2h)C-CL, FOs down, are held against chest like the box for a body aid.

body block (basketball)
(1) DH [4] runs FT down palm of NDH [5], PO > DS, FO away, first palm against palm, and then again with DPO > signer. (2) PREVENT.

body cavity
BODY C-A-V-I-T-Y.

body hair
(HAIR +) FTs of [5:] circle against area that is hairy with hu.

body piercing
Strike FT of [bO] against tongue, side of nose and ear. If the specific area is known, show only that.

body region
BODY LOCAL, where the second sign is [5], PO down, FO away, rubs in circles on [S], PO > DS< FO away.

Boeing
(1) AIRPLANE, while mouthing "Boeing". (2) There is an amusing sign (don't use it for interpreting!) that is the sign BORING with the HS [ILY] like AIRPLANE.

bohrium
B-H. For more information on this and other elements, see The elements. And for fun, see Elements by Tom Lehrer. To see this song with captions, go to The Elements song by Tom Lehrer.

Bohr magneton
Draw a lowercase mu (lowercase mu ) in the air.

boil
[4], PO towards, FO up, circles under [B], PO down, while wiggling fingers. For a QuickTime movie of this sign, see ASL browser - boil.

boiler
BOIL MACHINE.

boiling point
BOIL TEMPERATURE.

Bolivia
The middle and ring fingers are held together against the thumb and the hand, PO up, and the hand is twisted to the side twice like the movement in the sign YELLOW. (< llama head.) Here the sign appears to move forward rather than twist. To see the reference source for the sign(s) for this country or to look up other countries in the same geographical area, see Indigenous signs for countries. To find signs for cities within this country (some have no entries) see Indigenous signs for cities.

bolo tie
(2h)[I] descend from neck like the two ends of the string + (2h)[F], POs > signer, are held low and DH is pulled up like the tightening of the tie.

bolt
(2h)[5:], POs ><, FOs up, NDH remains stationary, while DH screws it in.

bomb

bond

Bond, James
[H dot], PO > signer, Fo up, is held against NDS shoulder like a gun. For a photo of this sign, see BritishSignLanguage.com - James Bond.

bonds
B-O-N-D.

bone(s)
(1) B-O-N-E. (2) STONE SKELETON, that is, [A] knocks against NDH [S], PO down, then (2h)[V:], POs towards, knock against each other at wrists. For a QuickTime movie of this sign, see ASL browser - bone.

bong (marijuana water pipe)
(2h)[C] are held like pipe to mouth and DH moves away to show length.

book

Book of Mormon
BOOK + [M] strokes "beard" at cheek.

book value
BOOK VALUE.

boolean
B-O-O-L-E-A-N.

boot, boot up, bootstrap (computers)
KICK START.

boots
(1) (2h)[Bb], DH slices once across NDH at elbow and vice versa. (2) SHOES(1x) + [Bb], PO > back, taps 2x close to elbow. For a QuickTime movie of this sign, see ASL browser - galoshes.

bore (piston, v)
[R], FT down, circles above [C], PO > signer, then descends into it.

born
NDH [B], PO down, push its way out from under the modified [B], as if the body were presenting itself. For a QuickTime movie of this sign, see ASL browser - birth.

born again
AGAIN BORN. For a QuickTime movie of this sign, see ASL browser - born again.

boron
"B". For more information on this and other elements, see The elements. And for fun, see Elements by Tom Lehrer. To see this song with captions, go to The Elements song by Tom Lehrer.

borrow
(2h)[K], POs away, arms crossed at wrists are brought to the chest.

borsht
[B], PO up, FO > NDS, circles as it brings food to the mouth.

boson
B-O-S-O-N.

boss
FT of [5:] taps shoulder.

bottlefeed
With NDH indicate holding baby and with DH [C] put bottle to baby's mouth.

bottom (quark)
"B" PARTICLE.

bottom out (addiction)
[Bb], crashes FT into palm of [B].

bottom surgery (sexual reassignment)
SURGERY FROM-WAIST-DOWN.

bounce pass (basketball)
[B], PO down, moves forward and down at an angle and bounces off NDH [B], PO up, FO away, then moves upwards and away.

bound for the error
MAXIMUM ERROR.

boundary
DH [Bb], PO > NDS, FO away, totters on NDH [Bb], PO > DS, FO away.

bow

bowel movement
(1) Thumb of [A dot] is inserted in bottom of NDH [A dot], PO > DS, FO away, then pulled out. (2) B-M.

bowl (v, bowling)
[3:], PO up, FO away, opens and closes multiple times.

bowling
(1) [5^], PO up, FO away, moves forward slightly twice. (2) [5^], PO > signer, FO down, hand twists up slightly twice. (3) [5^] executes the full swing of a bowling ball.

(bowling) alley
A-L-L-E-Y.

bow tie
(2h)[S] cross at wrists under chin and shoot out 2x to (2h)[H].

box
(2h)[B], first hands show one pair of sides: POs > signer, FOs > opposite sides; then they show the other pair of sides: POs ><, FOs away.

boxing
(2h)[S], POs > signer, FOs up, alt. circle vertically.

boy
[B] touches thumb to temple and moves away while closing to [O^] 2x.

boycott
REFUSE BUY, WHY? PROTEST.

boyfriend
BOY (1x) + FRIEND.

Boy Scout
BOY + salute with [straightened M].

brace
DH grasps wrist of [S], PO down, FO away. Further use of classifiers can show the placement of the brace.

bracelet
[open 8] grasps wrist.

braces (for formulas)
Draw braces "( )" with (2h)[1] simultaneously.

brachium region
Thumbside (ulnar) edge of [B], PO > NDS, FO away, runs along the arm from shoulder to elbow.

brackets (for formulas)
Draw brackets "[ ]" with (2h)[1] simultaneously.

Bragg, Bernard
[B], FO away, moves down twice while arcing to the DS. Actor.

Brahma
SUPREME CREATOR (or MAKER). (2h)[A], FOs away, DH starts below NDH and arcs around it until it is on top + C-MAKE AGENT.

Brahman
TRUTH SUPREME, where the last sign is (2h)[A], FOs away, DH starts below NDH and arcs around it until it is on top.

braille
(1) [4], PO down runs FT across palm of [B]. FTs may wiggle. (2) BLIND + (1). For a QuickTime movie of this sign, see ASL browser - braille.

brailler
BRAILLE MACHINE. Can add mime using the three middle fingers of both hands to work the machine.

brainstem
FT of [X] touches DS temple + [bC] traces the stem by the side of the neck several times.

brake
(2h)[B], POs away, FOs up, right hand moves down at an angle as if stepping on the brake.

branch

branch pipe
(2h)F-CL'pipe' + (2h)[1], POs down, FOs away, are held along side one another and touching. The DH moves away and > DS, while the NDH does not move.

branchpoint
(2h)[1], POs down, are held side by side and then the DH arcs off to its respective side + POINT.

brand

brandy
(2h)[horns], POs ><, FO away, DH taps NDH from above. For a QuickTime movie of this sign, see ASL browser - alcohol.

Brazil
(1) [Bb], PO away from signer, FO up, descends in a wavy pattern. (2) [horns], PO away, twists at wrist 2x. (< llama head) To see the reference source for the sign(s) for this country or to look up other countries in the same geographical area, see Indigenous signs for countries. To find signs for cities within this country (some have no entries) see Indigenous signs for cities.

brazing
B-R-A-Z-I-N-G.

break

breakdown

breakeven (business)
(<) PROFIT, (>) LOSE, EQUAL.

breakpoint
BREAK POINT.

breast(s)
(1) [B] touches NDS breast and then DS breast. (2) (2h)[5:], POs > signer, are held at breast and move forward with pc. This is more explicit and emphatic.

breast augmentation surgery
(2h)[A dot] make cuts at bottom of breasts + (2h)[5:], POs > chest, are held close to chest and move away.

breastfeed, breastfeeding
(1) With NDH indicate holding the baby and DH touches breast with open fingertips and then draws away while closing several times to indicate sucking. (2) Like (1), but no use of NDH. (3) BREAST FEED, where the second sign is (2h)[O^], POs up, FOs away, move forwards several times as if feeding. (4) FEED'from breasts', that is, (2h)[O^], POs up, FOs away, move forwards several times from wrist contact with breasts as if feeding.

breast reduction surgery
(2h)[A dot] make cuts at bottom of breasts + (2h)[B] (thumbs not folded in palms) touch thumbs to nipples and hands close partially to (2h)[G||], the motion being like that of "flat tire" but it does not close completely.

breaststroke
(2h)[Bb], POs down, FOs away, make large circular motions horizontally, similar to SWIM, but with larger movement.

breast sucking (can be sexual)
NDH holds palm against NDS breast and DH touches NDH with open fingertips and then draws away while closing several times to indicate sucking and thp++.

breathe

breed
(2h)[5], POs towards, hands interlock as they meet from their respective sides. For a QuickTime movie of this sign, see ASL browser - breed.

Breishit
G-E-N.

brethren (honorific address for the congregation)
(1) BROTHER SISTER. (2)BROTHER+ SISTER+ (2h)HONORIFIC-INDEX"all".

Brezhnev, Leonid
[C^] traces FTs against DS eyebrow. (< his bushy eyebrows.)

bribe
[O^], PO up, FO away, pushes "money" under the table of [B], PO down, FO > DS, while body leans > DS. For a QuickTime movie of this sign, see ASL browser - bribe.

brick
(1) (RED +) (2h)[L], POs away, FOs up, touch index to index, thumb to thumb, then separate while closing to (2h)[bO^]. (2) (2h)[C], POs away, FOs up, touch index to index, thumb to thumb, then separate while closing to (2h)[O^].

bride
(2h)[S], POs ><, FOs away, DH is held on top of the NDH as if holding a bouquet and the hands move forward in two downward arcs. For a QuickTime movie of this sign, see ASL browser - bride.

bridesmaid
(2h)[S], POs ><, FOs away, DH is held on top of the NDH as if holding a bouquet and the hands move forward in two downward arcs. This is the same sign as "bride"? For a QuickTime movie of this sign, see ASL browser - bridesmaid.

bright
(2h)[O^], POs away, FOs up, are held side by side touching. Hand separate while ascending and opening to (2h)[5^].

brit

British thermal units
B-T-U.

broadcast
(1) (2h)[S], POs down, FOs ><, with DH held in front of NDH as if holding a stick, the DH moves repeatedly to and fro. For a QuickTime movie of this sign, see ASL browser - broadcast. (2) NDH [B] is held flat as in TABLE, and the DH [O^], PO away, moves from the elbow to the wrist while opening into [5] as if information is being spread across the land. (3) SPREAD.

brocha [pl. brachot]
(1) (2h)[A], FOs away from signer, held at mouth with DH closer to mouth. Hands are brought downwards while opening to (2h)[B]. For an animated gif of this sign, see Animated dictionary of religious signs - Deaf Missions: Bless. (2) (2h)[bO], POs ><, held at mouth. Hands are brought downwards while opening to (2h)[5]. (3) (2h)[A], thumbside held at forehead. Hands are brought downwards while opening to (2h)[B].

Brocha Achrona
EAT WITHOUT BREAD FINISH, BLESS.

brochure
[G], PO > NDS, FO away, runs FT up little finger side of [B], PO > signer, FO up.

broil

broil
[S], repeatedly opens to a [5^] while pointed at NDH [B], PO up, FO away. For a movie of this sign, see Dictionary of Sign (ASL) - broil.

bromine
B-R. For more information on this and other elements, see The elements. And for fun, see Elements by Tom Lehrer. To see this song with captions, go to The Elements song by Tom Lehrer.

bronchitis
Thumbside of (2h)[B] rub slightly against lungs.

broomball
B-R-O-O-M-B-A-L-L.

Brother (Christian ~)
(2h)[L:] trace the outline of the stole down the sides of the chest 2x.

brotherhood
(2h)[A dot], DH thumb points down and NDH points up and they both circle one another as they move > DS. For a QuickTime movie of this sign, see ASL browser - brotherhood.

(My) Brothers and Sisters (honorific to congregation)
(<) BROTHER+, (>) SISTER+, (2h)HONORIFIC-INDEX"all".

brouter
B-R-O-U-T-E-R.

brown dwarf
BROWN STAR + [rolled F]-CL"sma" where the handshape is an F, but the index and thumb are curled tightly and the hand moves away in an intense motion and "sma" is mouthed.

Brownies (Scouts)
GIRL + salute with [straightened N].

brownnose (flatter for self gain)
Thumbside of [B], rubs down DS of nose, like BROWN but in a different location.

browser
DH [V], PO down, FO away, is held with thumbside against the palm of NDH [B], PO > DS, FO up, and DH waves slowly at wrist.

bruise
BLACK, BLUE + [C] (or [F] or [bC]) touch their thumbside to the area of the bruise.

bubble
(2h)[S], POs up, FOs away, hands move up alt. while opening to [5^], similar to the motion for POPCORN.

Buchner funnel
B-U-C-H-N-E-R FUNNEL.

bucket-brigade device
B-B-D.

buckle (deflection of a planar material)
FTs of (2h)[B], POs down, FOs ><, overlap slightly and DH pushes both of them down like the buckling of a bridge.

Buddha
(1) There are many Buddhist countries, so in trying to find the most authentic sign for the Buddha, it made sense to use the sign for the city Lumbini, Nepal, where he was born and whose sign commemorates his birth: [loose C dot] is held in the palm of [loose C dot], close to body. (2) Like CONTACT, but DH is PO down, FO > NDS and NDH is PO up, FO > DS; the hands are close to the heart. From http://www.youtube.com/watch?v=o0kPcOkXDSI (YouTube: Sign for Muslim & Buddha), which is no longer extant.

Buddhism
DH [1], PO away, FO up, moves away while brushing against the joined middle finger and thumb of NDH [8], PO > DS, FO up.

budget
(1) MONEY PLAN. (2) [B] slices at [B], PO up, as if it were a pie. (3) MONEY (1x) O^-EXCHANGE.

buffalo
[Y] is held with palm to forehead and twists at wrist while maintaining contact. For a QuickTime movie of this sign, see ASL browser - buffalo.

buffer
DH [B], PO > NDS, FO away, vibrates back and forth, trapped in [slightly closed C], PO up, FO away.

bug (insect and computers)
[3], FO away, touches thumb to nose and wiggles fingers.

build

building
(2h)[U] slap FTs against each other while ascending as if one layer was being piled on another + (2h)[B], POs ><, FOs away, hands ascend like the sides of a building. For a QuickTime movie of this sign, see ASL browser - building.

Bulgaria
(1) [bC] touches tip of nose with thumb, moving away from signer while rotating so that final PO > NDS, FO away from signer. (2) [C] touches tip of nose with thumb, moving away from signer while moving upwards and closing to an [S].(3) [C^] is held in front of nose and moves away from signer. (4) [C^] becomes [A] while doing moustache. For a QuickTime movie of this sign, see ASL browser - Bulgaria. To see the reference source for the sign(s) for this country or to look up other countries in the same geographical area, see Indigenous signs for countries. To find signs for cities within this country (some have no entries) see Indigenous signs for cities.

bulk
[5], PO down, FO away, outlines the surface of a pile with a slow upward arc and pl. For a QuickTime movie of this sign, see ASL browser - bulk.

bulk-channel charge-coupled device
B-C-C-D.

bull
(2h)[Y] hold thumbs to forehead and head dips down and then up like a bull threatening to charge.

bulldoze
Little finger edge of [B], PO > signer, FO > NDS, slowly pushes imaginary dirt away on surface of [B], PO up, FO away. For a QuickTime movie of this sign, see ASL browser - pave.

bulldozer
TRUCK + little finger edge of [B], PO > signer, FO > NDS, slowly pushes imaginary dirt away on surface of [B], PO up, FO away. For a QuickTime movie of the second sign, see ASL browser - pave.

bullet
DH [G] strokes FTs down side of NDH [1], PO > DS, FO away.

bulletin
MAGAZINE.

bulletin board system
B-B-S.

bully
(2h)[L dot] is held at the respective temples and separates rapidly. For a QuickTime movie of this sign, see ASL browser - bully.

bump

bun (hairdo)
(HAIR +) [5:] touches FT to back of head.

Bunsen burner
NDH [F], PO > DS, FO away, DH [S], PO up, FO away, is placed on top of NDH and opens to [5] and flutters fingers.

bunt
(2h)[A], DPO up, NDPO down, FOs away. Hands are held as if holding a bat, but about 6 inches apart and then move away from body in unison in a sharp restrained movement.

"buoy" (computers)
B-E-U-I.

buoyancy
POWER + [A], PO > NDS, FO away, floats on the surface of [5], PO down, FO > DS.

buoyant
[A], PO > NDS, FO away, floats on the surface of [5], PO down, FO > DS.

bureaucracy
SYSTEM 4wg-COMPLICATED with zz.

buret, burette
(2h)[F], POs ><, FOs away, DH moves upwards to show a vertical tube, then with NDH still in place, DH changes to [bX] and opens stopcock below NDH.

Burger King
[B] touches thumbside to NDS shoulder, then changes to [K] and touches DS waist. For a QuickTime movie of this sign, see ASL browser - Burger King.

burglar
(2h)[N] are held under the nose with the DH a little higher and both hands separate. For a QuickTime movie of this sign, see ASL browser - burglar.

burial society
FUNERAL SOCIETY.

buried-channel charge-coupled device
B-C-C-D.

burkha (full body covering)
Cover forehead with DH [B] and mouth with NDH, coming in from the sides + CLOTHES. For veil only, see "hijab".

burn

burner
NDH [bC], PO > DS, FO away, DH [5], PO > signer, FO up, wg as it circles under NDH to show flame.

burp
[S] is held at chest. PO towards, and flicks index finger up.

bury
(2h)[S], POs down, FOs away, hands start far from signer and move > signer in an upward arc while opening to (2h)[B] to show mound of earth. For a QuickTime movie of this sign, see ASL browser - bury.

bus (computers)
(1) B-U-S. (2) #BUS, where [B], PO away, FO up, moves forward and closes to an [S].

bust

butch
[S] rubs little finger side of fist against pectoral with tongue stuck in dominant cheek.

butter
FT of [U] brush against bottom of NDH [B] palm, and curl into an [N] several times.

butterflystroke
BUTTERFLY, that is, (2h)[B[, POs > signer, FOs up, interlace thumbs and flutter fingers together as if wings.

butt joint
(2h)[Bb], POs down, FOs away, are slapped together as if joined and the NDH stays in place while the DH [L] runs up and down the index finger of NDH as if welding it.

button

butt weld
(2h)[Bb], POs down, FOs away, held at chin level, are slapped together as if joined and the NDH stays in place while the DH [L] runs up and down the index finger of NDH as if welding it.

buzz box
B-U-Z-Z BOX.

by (as in "four ~ six feet")
(2h)[1], POs away, cross fingers like an "X".

byte
Thumbside of [B] slides down palm of [B], PO > DS, FO up.

Byzantine Catholic
O-CLEAN.

Image credits

1. Basic nuclear science information.

2. From http://aec-www.apgea.army.mil/usaec/publicaffairs/update/sum96/bats.htm (Fort Bliss site a refuge for endangered bats), no longer extant.

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