the world > matter > liquid > making or becoming liquid > action or process of melting > melt [verb (transitive)] > again (3)
transitive. To melt (a substance, object, etc.) again; to make molten again.
transitive. To fuse or melt for a second or subsequent time.
transitive. Chiefly Electronics and Manufacturing Technology. To melt (a substance, esp. solder paste) again; cf. reflow, n. 3.