Thaw (4)
'thaw' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for melt that I've seen before include "Dissolve with heat" , "Reduce from a solid to a liquid state" , "Liquefy; become tender" , "Turn to liquid" , "Become liquid by heating" .)
'thaw' is the definition.
(defrosting is a kind of thawing)
This is the entire clue.
(Other definitions for defrost that I've seen before include "Make free of ice" , "Thaw (frozen food)" .)
(Other definitions for de-ice that I've seen before include "Make free from frost" , "thaw?" , "Remove frozen water" .)