cryogenics

noun

cryo·​gen·​ics ˌkrī-ə-ˈje-niks How to pronounce cryogenics (audio)
plural in form but singular in construction
: a branch of physics that deals with the production and effects of very low temperatures

Word History

Etymology

cryogen(ic) + -ics

First Known Use

1899, in the meaning defined above

Time Traveler
The first known use of cryogenics was in 1899

Browse Nearby Words

Cite this Entry

“Cryogenics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cryogenics. Accessed 17 Sep. 2025.

Kids Definition

cryogenics

noun
cryo·​gen·​ics ˌkrī-ə-ˈjen-iks How to pronounce cryogenics (audio)
: a branch of physics that deals with the production and effects of very low temperatures

Medical Definition

cryogenics

noun, plural in form but singular in construction
cryo·​gen·​ics -iks How to pronounce cryogenics (audio)
: a branch of physics that deals with the production and effects of very low temperatures

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