melt down

Definitions of melt down
  1. verb
    reduce or cause to be reduced from a solid to a liquid state, usually by heating
    synonyms: melt, run
    bleed, run
    be diffused
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    make liquid or plastic by heating
    render, try
    melt (fat or lard) in order to separate out impurities
    type of:
    break up, dissolve, resolve
    cause to go into a solution