/ Dictionary / Index C cobalamin: Meaning and Definition of Find definitions for: co•bal•a•min Pronunciation: (kō-bal'u-min), [key] — n. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cobalamin (Thesaurus) cob cobalt Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language