熔化

to melt (of ice, metals etc)

róng = ru + (e)ng2

to smelt / to fuse

hua̅ = hu + a1

variant of 花[hua1]

huà = hu + a4

to make into / to change into / -ization / to ... -ize / to transform / abbr. for 化學|化学[hua4 xue2]

化 = 亻 + 匕 : Helga Horse and Rosa Luxemburg conduct an experiment in the ashram's bathroom. Using a transformer, they melt a ladle.

melting point

熔化 currently does not appear in any sentence.