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| heat·er [ htər ] (plural heat·ers) |
noun |
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1. heating device: a device that uses fuel to produce heat in order to make something else warm or hot, especially a device to heat the air in a room or vehicle
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2. heating element in vacuum tube: an element in a vacuum tube that carries the current for heating a cathode
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3. handgun: a revolver or other handgun
(
slang dated
)
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