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Definitions of propylene:

noun: a flammable gas obtained by cracking petroleum; used in organic synthesis

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Alternative Terms
1-gigametre 1-e-9-m-4 1-e-9-m-5 gamma-orionis algol sun 100-megametres metre kilometre-wordnet james-webb-space-telescope lexell-s-comet earth july 1770 comet april0 837 event-horizon sagittarius-a supermassive-black-hole milky-way 10-gigametres orders-of-magnitude-length scientific-notation 1-decametre 1-hectometre 1-kilometre 1-myriametre 100-kilometres 1-megametre 10-megametres 100-gigametres 1-terametre 10-terametres 100-terametres 1-petametre 10-petametres 100-petametres 1-exametre 10-exametres 100-exametres 1-zettametre 10-zettametres 100-zettametres 1-yottametre 10-yottametres 100-yottametres