/ Dictionary / Index P petrolene: Meaning and Definition of Find definitions for: pet•ro•lene Pronunciation: (pe'tru-lēn"), [key] — n. any of the constituents of a bitumen, as asphalt, that are soluble in pentane, hexane, or naphthalene. Also calledCf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. petrol bomb petroleum 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