olefiant gas

olefiant gas
/oh'leuh fuy"euhnt, oh lee"fee-, oh lef"ee-/
ethylene (def. 2).
[1800-10; part trans. of F gaz oléfiant, equiv. to olé- ( < L oleum OIL) + -fiant, prp. of -fier -FY; see -ANT]

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  • Olefiant — O*le fi*ant, a. [F. ol[ e]fiant, fr.L. oleum oil + ficare (in comp.). Cf. { Fy}.] (Chem.) Forming or producing an oil; specifically, designating a colorless gaseous hydrocarbon called ethylene (olefiant gas). [Archaic] [1913 Webster] …   The Collaborative International Dictionary of English

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