thaw
noun.
the process whereby heat changes something from a solid to a liquid
the power failure caused a refrigerator melt that was a disaster|the thawing of a frozen turkey takes several hours
Synonym: melt, melting, thawing
noun.
warm weather following a freeze; snow and ice melt
they welcomed the spring thaw
Synonym: thawing, warming
noun.
a relaxation or slackening of tensions or reserve; becoming less hostile
the thaw between the United States and Russia has led to increased cooperation in world affairs
verb.
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