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1. A heating device designed to remove frost or prevent its formation.
2. A device designed to thaw frozen goods.
(Mechanical Engineering) a device by which the de-icing process of a refrigerator is accelerated, usually by circulating the refrigerant without the expansion process
de•frost•er(dɪˈfrɔ stər, -ˈfrɒs tər)
1. a person or thing that defrosts.
2. defogger .
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|Noun||1.||defroster - heater that removes ice or frost (as from a windshield or a refrigerator or the wings of an airplane)|
aeroplane, airplane, plane - an aircraft that has a fixed wing and is powered by propellers or jets; "the flight was delayed due to trouble with the airplane"