熔毁 Traditional form: 熔毀 Pinyin (reading): rónghuǐ Definitions: meltdown (of nuclear fuel) to melt down Characters: 熔 - mold; to fuse, to melt, to smelt 毁 - to damage, to ruin; to defame, to slander Traditional characters: 熔 - mold; to fuse, to melt, to smelt 毀 - to damage, to ruin; to defame, to slander