/ Dictionary / Index C cryostat: Meaning and Definition of Find definitions for: cry•o•stat Pronunciation: (krī'u-stat"), [key] — n. an apparatus, usually automatic, maintaining a very low constant temperature. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cryostat (Thesaurus) cryoscopy cryosurgery Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language