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buttonmold
buttonquail
buttons
buttonwood
buttress
butty (1)
butty (2)
butut
butyl
butyl acetate
butyl alcohol
butyl ethanoate
butyl rubber
butylate
butylated hydroxyanisole
butylated hydroxytoluene
butylene
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butyl

bu·tyl [ byt'l, by tìl ]


noun,

adjective 
Definition:
 
relating to the group of atoms derived from butane after the loss of a hydrogen atom. C4H9-

[Mid-19th century. <butyric]
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