Dictionary.com
definitions

cryogenic

[krahy-uh-jen-ik]

adjective

of or relating to the production or use of very low temperatures: cryogenic storage.
of or relating to cryogenics.

Origin of cryogenic

First recorded in 1895–1900; cryo- + -genic
Related formscry·o·gen·i·cal·ly, adverbcry·og·e·nist [krahy-oj-uh-nist] /kraɪˈɒdʒ ə nɪst/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin and History for cryogenic
adj.

1902, from cryogen "freezing mixture" (1875), from cryo- "freezing" + -genic "having to do with production" (see genus). Related: Cryogenics (1958).

Online Etymology Dictionary, © 2010 Douglas Harper
cryogenic in Medicine

cryogenic

[krī′ə-jĕn′ĭk]

adj.

Relating to or producing low temperatures.
Requiring or suitable for storage at low temperatures.
Related formscry′o•gen′i•cal•ly adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.