cryogen

cryogen definition - medical

cry·o·gen (krīˈə-jən)

noun
A liquid, such as liquid nitrogen, that boils at a temperature below about 110 Kelvin (-160°C) and is used to obtain very low temperatures; a refrigerant.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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