propylene

(prōpə lēn′)

noun

an unsaturated, flammable alkene, CHCH:CH, a colorless gas obtained in the refining of petroleum, used in making polypropylene, synthetic glycerol, etc.

Origin: propyl + -ene

See propylene in American Heritage Dictionary 4

noun
A flammable gas, CH3CH:CH2, derived from petroleum hydrocarbon cracking and used in organic synthesis. Also called propene.

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