American Dictionary

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Definition defrost in American English

defrost verb

verb
/diˈfrɔst/
1

if frozen food defrosts, or if you defrost it, it becomes warmer until it is no longer frozen

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2

if a freezer or fridge defrosts, or if you defrost it, you switch it off so that the ice inside starts to melt

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3

to remove ice from the windows of a car using warm air

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Definition defrost in American English