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butt (2)
butt (3)
butt (4)
butt bag
butt hinge
butt in
butt joint
butt out
butt shaft
butt-weld
Butte
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butter
butter-and-eggs
butter bean
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butter muslin
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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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