/ Dictionary / Index C clathrate: Meaning and Definition of Find definitions for: clath•rate Pronunciation: (klath'rāt), [key] — adj. resembling a lattice; divided or marked like latticework. —n. a substance in which a molecule of one compound fills a cavity within the crystal lattice of another compound. Cf. adduct. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: clathrate (Thesaurus) clastic clathrin Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language