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defrost

verb
     
Related topics: Food, Household, Motor Vehicles
de‧frost
1DF [intransitive and transitive] if frozen food defrosts, or if you defrost it, it gets warmer until it is not frozen [↪ melt, thaw]
2DH [intransitive and transitive] if a freezer or refrigerator defrosts, or if you defrost it, it is turned off so that the ice inside it melts
3 [transitive] American EnglishTTC to remove ice from inside the windows of a car by using heat or warm air

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