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Ch. 8 vocab

TermDefinition
airplane a flying vehicle that has fixed wings and engines or propellers that thrust it forward through the air
cash register a machine used to add up and record how much people pay for a good or a service
electric starter a device that uses electricity to start a car
ethyl gasoline a type of gasoline that eliminated the “knocking” sound and resulting damage in early automobile engines
filament a thin wire that glows white-hot when electricity passes through it
gas mask a device worn on the face to protect the wearer from breathing smoke and other toxic chemicals
incandescent glowing or white with heat
invention a new device, method, or process
phonograph the first device that could record sounds and play them back to a listener
traffic signal a device that controls traffic at intersections and along streets and highways
 

 



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