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butch haircut
butcher
butcher knife
butcher’s broom
butcher’s knife
butcherbird
butchery
Bute
butene
buteo
Buteshire
Butler
butler
butler’s pantry
Butskellism
butt (1)
butt (2)
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butene
bu·tene [ by tn ]


noun 
Definition:
 
flammable gas: a colorless, flammable, easily liquefiable gas with three different molecular structures isomers. Use: manufacture of polymers. C4H8
[Late 19th century. <butyl]
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