Colliquefaction :: Colliquefaction (n.) A melting together; the reduction of different bodies into one mass by fusion.
Liquefaction :: Liquefaction (n.) The act or operation of making or becoming liquid; especially, the conversion of a solid into a liquid by the sole agency of heat..
Liquefaction :: Liquefaction (n.) The act, process, or method, of reducing a gas or vapor to a liquid by means of cold or pressure; as, the liquefaction of oxygen or hydrogen..