/ Dictionary / Index D di: Meaning and Definition of Find definitions for: di Pronunciation: (dē), [key] from; of: used in Italian personal names, originally to indicate place of origin: Conte di Savòia. di Pronunciation: (dē), [key] a tone in the ascending chromatic scale between do and re. Di Pronunciation: (dī), [key] a female given name, form of DI Pronunciation: [key] Department of the Interior. drill instructor. Di Pronunciation: [key] didymium. di- Pronunciation: [key] a prefix occurring in loanwords from Greek, where it meant “two,” “twice,” “double” (diphthong); on this model, freely used in the formation of compound words (dicotyledon; dipolar) and in chemical terms (diatomic; disulfide). di- Pronunciation: [key] var. of before b, d, l, m, n, r, s, v, and sometimes g and j: digest; divide. di- Pronunciation: [key] var. ofbefore a vowel: diorama. di. Pronunciation: [key] diameter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dhurrie dia- 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