/ Dictionary / Index D diamantiferous: Meaning and Definition of Find definitions for: di•a•man•tif•er•ous Pronunciation: (dī"u-man-tif'ur-us), [key] — adj. Mining. diamondiferous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diamanté diameter Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language