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NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Research, Technology, Methods > chemical substances > chemical elements > nonmetallic elements > nitrogen > liquid nitrogen
Preferred Term:

liquid nitrogen

Definition:
Liquid nitrogen is a non-toxic, colorless, tasteless, odorless fluid with a boiling point of -196° C. On exposure to the air, it evaporates into the atmosphere quite rapidly. It is used mainly as a cryogen (refrigerant). It can cause severe burns on touch and must be handled safely.
Concept Schemes:
NALT Full
Broader Concept:
nitrogen
Related Concepts:
URI:
https://lod.nal.usda.gov/nalt/332186
Download this Concept:
RDF/XMLCreated 2019-07-10, last modified 2019-11-25