overmelt

/ˌoʊvərˈmɛlt/
verb
  1. To melt too much or for too long, causing damage or unwanted change in a material.
    • Be careful not to overmelt the wax when making candles.
    • The metal was overmelted in the furnace, weakening its structure.
    • If you overmelt the chocolate, it will become grainy and unusable.
Synonyms
What does "overmelt" mean? | whatsthatwordmean | whatsthatwordmean