Definify.com
Webster 1913 Edition
Liquefaction
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 hydrogenWebster 1828 Edition
Liquefaction
LIQUEFAC'TION
,Noun.
1.
The act or operation of melting or dissolving; the conversion of a solid into a liquid by the sole agency of heat or caloric. Liquefaction, in common usage, signifies the melting of any substance, but by some authors it is applied to the melting of substances, which pass through intermediate states of softness before they become fluid, as tallow, was, resin, &c.2.
The state of being melted.