olefine Meaning, Definition & Usage

  1. noun any unsaturated aliphatic hydrocarbon
    alkene; olefin.

WordNet

O"le*fine noun
Etymology
From Olefiant.
Definitions
  1. (Chem.) Olefiant gas, or ethylene; hence, by extension, any one of the series of unsaturated hydrocarbons of which ethylene is a type. See Ethylene.

Webster 1913