Definition of "cryogenic" [cryogenic]

• Of or relating to low temperatures. (adjective)
• Requiring or suitable to cryogenic storage. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "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."
• "Unfortunately, the ship crash lands on the planet, leaving its meager crew to search for a suitable home for the colonists (what's left of them) who wait it out in cryogenic freeze."
• "No “do not suspend” order on file, so he was placed in cryogenic suspension."