adjective. Relating to low temperatures.

adjective. Requiring or suitable to cryogenic storage.

Producing cold; especially, noting an apparatus or a laboratory for experimenting at the extreme low temperatures which may be produced by the evaporation of liquefied ethylene, air, oxygen, or hydrogen.

adjective. of, relating to, or performed at low temperatures

adjective. of or relating to very low temperatures

"Episode Recaps: In “Space Seed,” the Enterprise encounters Khan Noonien Singh, a genetically modified human from the 21st century who fled Earth and put himself in cryogenic hibernation."

cryonic  

cryogen  cryogenics  

000-gallon  air-tight  antiglobulin  antimatter  biomedical