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defrost

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defrost/dɪˈfrɑːst/verb
defrostsdefrosteddefrosting
defrost
/dɪˈfrɑːst/
verb
defrostsdefrosteddefrosting
Learner's definition of DEFROST  
: to warm something that is frozen until it is no longer frozen
[+ object]
[no object]
— sometimes used figuratively
: to melt ice that has built up on the inside of a freezer or refrigerator
[+ object]
[no object]
[+ object]  : to melt ice on a car's windows by using heat
— compare defog, deice
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