"unthaw" in the verb sense
1. dissolve, thaw, unfreeze, unthaw, dethaw, melt
become or cause to become soft or liquid
"The sun melted the ice"
"the ice thawed"
"the ice cream melted"
"The heat melted the wax"
"The giant iceberg dissolved over the years during the global warming phase"
"dethaw the meat"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License