Definition of petrolene in English:

petrolene

(also petroline)

noun

Chemistry
  • The oily volatile component of asphalt, originally considered to consist of a single hydrocarbon and later discovered to be a mixture of compounds; any of a variety of compounds present in this mixture.

Origin

Mid 19th century; earliest use found in Edinburgh New Philosophical Journal. From French pétrolène from pétrole + -ène.

Pronunciation

petrolene

/ˈpɛtrəliːn/