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Meaning of petrolene

pet•ro•lene

Pronunciation: (pe'tru-lēn"), [key]
— n.
  1. 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.