(definition) by Webster 1913 Wed Dec 22 1999 at 1:34:10

O*le"fi*ant (?), a. [F. ol'efiant, fr.L. oleum oil + -ficare (in comp.). Cf. -Fy.] Chem.

Forming or producing an oil; specifically, designating a colorless gaseous hydrocarbon called ethylene.

[Archaic]

 

© Webster 1913.

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