liquefy in WordNet English dictionary

1. become liquid or fluid when heated
   "the frozen fat liquefied"
   liquefy  flux  liquify 
   
2. make (a solid substance) liquid, as by heating
   "liquefy the silver"
   liquefy  liquify  liquidize  liquidise 
   
3. become liquid
   "The garden air overnight liquefied into a morning dew"
   liquefy