coldsleep noun 1verb 1forms 3 noun1 •A deep sleep during which the body is stored at very cold temperature, to preserve it; cryogenic sleep.By converting some of the recreation space to storerooms and adapting the storerooms thus cleared to the purpose of cold-sleep, the ship was roomy enough. — 1941 verb1 •To experience deep sleep whilst the body is stored at a very cold temperature; to engage in cryogenic sleep.Damnation, he was quite capable of refusing to let me cold-sleep. — 1956 formscoldslept · coldsleeping · coldsleeps
