Search the Dictionary

, process, or method, of reducing a gas or vapor to a liquid by cold or pressure; as, the liquefaction of oxygen or hydrogen.

ion of different bodies into one mass by fusion. The incorporation of metals by simple colliquefaction. Bacon.

Change from a solid to a fluid state; solution by heat or moisture; liquefaction; melting.

rly of oxygen, hydrogen, nitrogen, and carbon monoxide, formerly regarded as incapable of liquefaction at any temperature or pressure.

Liquefaction; the act of causing (something) to melt, or the process of becoming melted. Melting point (Chem.), the degree of temperature at which a solid substance melts or fuses; as, the melting point of ice is 0º Centigrade or 32º Fahr., that of urea is 132º Centigrade. -- Melting pot, a vessel in which anything is…

gen, and carbon monoxide; -- also called incondensible or incoercible gases, before their liquefaction in 1877. -- Permanent way, the roadbed and superstructure of a finished railway; -- so called in distinction from the contractor's temporary way. -- Permanent white (Chem.), barium sulphate (heavy spar), used as a w…

or other congealed matter; the resolution of ice, or the like, into the state of a fluid; liquefaction by heat of anything congealed by frost; also, a warmth of weather sufficient to melt that which is congealed. Dryden.