/ Dictionary / Index M monazite: Meaning and Definition of Find definitions for: mon•a•zite Pronunciation: (mon'u-zīt"), [key] — n. a reddish- or yellowish-brown mineral, a phosphate of cerium and lanthanum, (Ce,La)PO: the principal ore of thorium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: monazite (Thesaurus) monaxial Mönchengladbach Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language