Liq`ue*fac"tion (-făk"shŭn), n. [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)
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.
Hear it pronounced