defrost

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de·frost / diˈfrôst/ • v. [tr.] remove frost or ice from. ∎  thaw (frozen food) before cooking it. ∎  [intr.] (of frozen food) thaw before being cooked. ∎  free (the interior of a refrigerator) of accumulated ice. ∎  [intr.] (of a refrigerator) become free of accumulated ice: the fridge defrosts in 20 minutes.DERIVATIVES: de·frost·er n.