LIQUEFACTION
liquefaction
(noun) the conversion of a solid or a gas into a liquid
Source: WordNet® 3.1
Etymology
Noun
liquefaction (countable and uncountable, plural liquefactions)
Process of being, or state of having been, made liquid (from either a solid or a gas)
The liquid or semiliquid that results from this process.
Source: Wiktionary
Liq`ue*fac"tion, n. Etym: [L. liquefactio: cf. F. liquéfaction. See
Liquefy.]
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. The state of being liquid.
3. (Chem. Physics)
Definition: The act, process, or method, of reducing a gas or vapor to a
liquid by cold or pressure; as, the liquefaction of oxygen or
hydrogen.
Source: Webster’s Unabridged Dictionary 1913 Edition