(definition) by Webster 1913 Wed Dec 22 1999 at 2:17:31

Pro"pyl*ene (?), n. [Cf. F. propylene.] Chem.

A colorless gaseous hydrocarbon (C3H6) of the ethylene series, having a garlic odor. It occurs in coal gas, and is produced artificially in various ways. Called also propene.

 

© Webster 1913.

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