/ Dictionary / Index B black gold: Meaning and Definition of Find definitions for: black' gold' Pronunciation: [key] petroleum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. black gnat black gram Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language