"the power failure caused a refrigerator melt that was a disaster"
"the thawing of a frozen turkey takes several hours"

"they welcomed the spring thaw"

"the thaw between the United States and Russia has led to increased cooperation in world affairs"

"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"