/ Dictionary / Index C crude oil: Meaning and Definition of Find definitions for: crude' oil' Pronunciation: [key] petroleum as it comes from the ground, before refining. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. crude crudités Related Content Daily Word Quiz: alacrity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language