/ Dictionary / Index P petroliferous: Meaning and Definition of Find definitions for: pet•ro•lif•er•ous Pronunciation: (pe"tru-lif'ur-us), [key] — adj. (of a rock or geologic formation) containing or yielding petroleum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. petrolic Petrolina 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