'Liquefaction' definitions:

Definition of 'liquefaction'

(from WordNet)
noun
The conversion of a solid or a gas into a liquid

Definition of 'Liquefaction'

From: GCIDE
  • Liquefaction \Liq`ue*fac"tion\ (l[i^]k`w[-e]*f[a^]k"sh[u^]n), n. [L. liquefactio: cf. F. liqu['e]faction. 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. [1913 Webster]
  • 2. The state of being liquid. [1913 Webster]
  • 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. [1913 Webster]