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ISOO
isooctane
isopach
isophone
isopiestic
isopleth
isopod
isoprenaline
isoprene
isopropanol
isopropenyl acetate
isopropyl
isopropyl alcohol
isopropyl ether
isoproterenol
isoquant
isorhythm
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isoprene
i·so·prene [ ssə prn ]


noun 
Definition:
 
flammable liquid hydrocarbon: a colorless flammable liquid hydrocarbon. Use: manufacture of synthetic rubber. C5H8
[Mid-19th century. <iso- + contraction of prophylene]
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