LIQUEFACTION

liquefaction. Liquefaction, n. the act of melting, a melted state

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Liq′ue‐fac″tion (–făk″shŭn), n. [[L. liquefactio: cf. F. liquéfaction. See Liquefy.]] 1. 1. The act or operation of making or becoming liquid; especially, the conversion of a solid into a liquid by the sole agency of heat.
2. 2. The state of being liquid.
3. 3. (Chem. Physics) 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.