/ Dictionary / Index T tombac: Meaning and Definition of Find definitions for: tom•bac Pronunciation: (tom'bak), [key] — n. an alloy, used to imitate gold, containing from 70 to 92 percent copper with zinc and sometimes tin and other materials forming the remainder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tombac (Thesaurus) tomb Tombalbaye Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language