WordReference Random House Unabridged Dictionary of American English © 2026
pet•ro•lene
(pe′trə lēn′),USA pronunciation n.
- Chemistryany of the constituents of a bitumen, as asphalt, that are soluble in pentane, hexane, or naphthalene. Also called malthene. Cf. asphaltene.
- petrol(eum) + -ene 1830–40
'petrolene' also found in these entries (note: many are not synonyms or translations):