Submitted by György Chityil ... on Fri, 01/19/2018 - 21:56 Hierarchy: NounDescription: {{science fiction}} A deep sleep during which the body is stored at very cold temperature, to preserve it; cryogenic sleep.Ngram: cryosleepNgram Text: cryosleepSource: WiktionaryIssue: 0Wiktionary tag: science fictionNgram Count: 1