Olefin meaning

ōlə-fĭn
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Any of a class of unsaturated open-chain hydrocarbons having at least one double bond.
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A fiber or fabric made of this material.
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(organic chemistry) Any of a class of unsaturated open-chain hydrocarbons such as ethylene; an alkene with only one carbon-carbon double bond.
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Origin of olefin

  • French (gaz) oléfiant oil-forming (gas), ethylene Latin oleum oil oil French -fiant present participle of -fier -fy

    From American Heritage Dictionary of the English Language, 5th Edition