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blade a thin, flat part, as of an oar or an electric fan. [1/4 definitions]
bulb a device made of rounded glass used to create electric light. [1/3 definitions]
cable a bundle of insulated wires used to carry electric current. [1/5 definitions]
circuit the closed path followed by an electric current. [1/4 definitions]
circuit breaker a switch or other device that automatically breaks an electric circuit when too much electricity flows through it.
diesel engine a type of engine that burns fuel oil. Diesel engines are different from most car engines, which use an electric spark to ignite the fuel. In a diesel engine, the fuel is sprayed into a chamber and set on fire by the heat of air that has been put under high pressure. Big trucks have diesel engines.
dimmer a device that controls the brightness of an electric light.
direct current an electric current that flows in one direction.
disconnect to break the flow of electric current to; separate from the power source. [1/2 definitions]
dry cell an electric battery cell in which the chemicals are stored as a paste that will not spill.
dynamo a machine that produces electric current. [1/2 definitions]
electrical having to do with electricity; electric.
electrode a part of an electric or electronic device. An electrode allows electric current to enter or leave a device such as a battery.
electromagnet an iron or steel core with wire wound around it. It becomes magnetic when an electric current is passed through the wire.
fan1 a machine that makes air move by means of spinning blades. It is usually driven by an electric motor. [1/3 definitions]
filament a fine wire that lights or heats up when electric current is passed through it. [1/2 definitions]
floodlight an electric lamp that shines a bright beam of light over a wide area.
food processor an electric kitchen appliance that has a container and different kinds of blades. It is used to grind, grate, chop, slice, or otherwise prepare food.
live2 carrying electric current. [1/4 definitions]
neon a gas that is one of the chemical elements. Neon is used in making electric signs, because it glows orange when an electric current passes through it. (symbol: Ne) [1/2 definitions]
plug a device with two or three prongs on the end of an electrical cord. It is put into an outlet to make a connection with an electric circuit. [1/4 definitions]