| accuracy | accurate | adjustable | air conditioning | aluminum | ambient temperature | amplification |
| anchor | appliance | approximate | approximately | approximately equal | approximation | assemble (parts) |
| automatic | automatically | automaton | average power | average voltage | ball and socket joint | blockage |
| blower | boiler | braces (for formulas) | brackets (for formulas) | burner | button (machine) | cable |
| calorie | capacity | caulking | cause | celsius | channel | charge (a cylinder with gas) |
| chloro-fluro-carbons | circuit | clog, clogged | combustion | compatible | compress | concrete |
| condenser | condensing (furnace) | conduct electricity | conductor | configuration | confined space | consistency |
| console | consultant | contraction | convection | conversion | convert | coolant |
| cooling system | coupling | coupling alignment | current | current gain | cycle | degree celsius |
| degree fahrenheit | dense | density | deodorizer (Automotive) | deposit | detector | deteriorate |
| determine (a value) | deviate, deviation | device | diagram | diameter | digital multimeter | digital voltmeter |
| directional | discharge | dissipate (heat gas, etc) | downflow | draft | drain | draft diverter |
| drip | drop (decrease) | duct | efficiency | efficient | electric outlet | electric plug |
| energy | energy source | engine | engineering | estimate | ethanol gycol | evacuate |
| evaporator | exfiltration | exhaust | expand | fahrenheit | feedback | filament |
| filter | fitting | fixed | flame | flow | fluid | flush |
| formula | formulate | foundation | furnace | fuse | gain | gauge |
| generate | generator | gram | graphically expressed | grill (n) | hanger | heat |
| heating degree days | heat transfer multiplier | heat up | horizontal | horsepower | hybrid | ignition |
| increment | infiltration | input | install | instrumentation | insulate from electricity | insulation |
| insulator | intake line | in terms of | invent | joist | junction | kilogram |
| kilowatt-hour | leak | license-> | ~ expired | ~ revoked | liter | liter per second |
| load | louvers | lubrication | manufacture | maximum current | maximum voltage | mechanism |
| medium | meter | mildew | millimeter | minimum current | miter | modulate |
| modulation | mold (plant) | motor | needle (gauge) | negligible (error) | normal | normally closed |
| normally open | normally closed | notation | nozzle | obsolete | odor | ohm |
| operate | original equipment manufacterer | outlet | output | output voltage | outtake line | panel |
| parallel | part | partition | pascal | perpendicular | pipe | pipeline |
| piping | plastic | plenum | plugged | potential difference | potentiometer | power |
| lose ~ | power amplifier | power gain | power source | power surge | precise | precision |
| pressure | preventive maintenance | primary voltage | processing | produce | production | psi-a (absolute) |
| psi-g (gauge) | pulse | radiant heat | recover (refridgerant) | rectifier | recursive | recycle |
| reference | refridgerant | regulator | reinforce | remote (control) | research and development | resistance |
| resistor | resistor current | revolution | revolutions per minute | revolutions per second | rheostat | right angle |
| rigid | robot | roll down window | roll up window | root mean square | rough | run (operate) |
| run down (power) | sample | score (scratch) | scoring | seal-> | blown ~ | seat (a part, v) |
| secondary current | sediment | semiconductor | sensitive | sensor | series (circuit) | short circuit |
| signal | simulate, simulation | simulator | sleeve | solvent | source | source voltage |
| spark | spec(s) | spring | square centimeter | square foot | square inch | square meter |
| square yard | stopped up | strainer | structure | subscript | substance | surface |
| surge | switch | table | thermostat | tight | toggle | torque |
| toxic | transform | transient | tungsten inert gas (welder) | turbulence | upflow | upgrade |
| vacuum (gauge) | valve | vent | ventiliation | vibrate, vibration | volt | voltage |
| voltage gain | voltimeter | warp | weigh | vibrate, vibration | volt | voltage |
| voltage gain | voltimeter | warp | weight | wire |
For the signs for these terms, see Signs for technical/specialized vocabulary.
For additional relevant terms, see Vocabulary list for automotive under "Tools", Vocabulary list for engineering especially under "Circuitry and components", and Vocabulary list for physics.
