li·ques·cent 
(lĭ-kwĕsənt)
(lĭ-kwĕsənt)adj.
Becoming or tending to become liquid; melting.
[Latin liquēscēns, liquēscent-, present participle of liquēscere, to become liquid, inchoative of liquēre, to be liquid.]
li·quescence, li·quescen·cy n.