olefiant
O*le"fi*ant, a. Etym: [F. oléfiant, fr.L. oleum oil + -ficare (in comp.). Cf. -Fy.] (Chem.) Defn: Forming or producing an oil; specifically, designating a colorless gaseous hydrocarbon called ethylene. [Archaic]
O*le"fi*ant, a. Etym: [F. oléfiant, fr.L. oleum oil + -ficare (in comp.). Cf. -Fy.] (Chem.) Defn: Forming or producing an oil; specifically, designating a colorless gaseous hydrocarbon called ethylene. [Archaic]