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butyl

Syllabification: (bu·tyl)
Pronunciation: /ˈbyo͞otl/

Definition of butyl

noun

[as modifier] Chemistry
  • an alkyl radical C4H9, derived from butane:butyl acetate
  • short for butyl rubber.

Origin:

mid 19th century: from butyric acid + -yl

butyl in other Oxford dictionaries

Definition of butyl in the British & World English dictionary

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