(physics) a cryogenic liquid (that boils below about -160°C) used as a refrigerant

plural of cryogen

The science and technology of the production of very low temperatures. / The scientific study of low-temperature phenomena.

carried out at very low temperatures, near absolute zero.

Of, relating to, or performed at low temperatures.

Treated with a cryogen

Any liquid (typically a liquified gas) with a very low boiling point

plural of cryogenic liquid

plural of cryogenesis

The combination of thermophysical, physiochemical, physiomechanical processes occurring in freezing and thawing earth materials. / The geologic processes that create permafrost.