butyl

[ byoo-til, byoot-l ]
/ ˈbyu tɪl, ˈbyut l /

adjective Chemistry.

containing a butyl group.

Origin of butyl

First recorded in 1865–70; but(yric) + -yl

Words nearby butyl

buttstrap, butty, butuan, butung, butut, butyl, butyl acetate, butyl alcohol, butyl aldehyde, butyl aminobenzoate, butyl group

Definition for butyl (2 of 2)

Butyl
[ byoo-til, byoot-l ]
/ ˈbyu tɪl, ˈbyut l /

Trademark.

a brand of synthetic rubber prepared by polymerization of butylene containing little butadiene, particularly useful for inner tubes of automobile tires because of its leakproof qualities.

Example sentences from the Web for butyl

  • The stuff smelled like a mixture of spirits of ammonia and butyl mercaptan, but it did the job.

    The Highest Treason |Randall Garrett

  • There are also higher alcohols, that is, those having more complex chemical formulas, such as butyl alcohol.

    Encyclopedia of Diet |Eugene Christian

  • It has the characteristic odour of the flowers, and consists of a mixture of butyl and amyl angelates and valerates.

    Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 |Various

  • "And butyl mercaptan; I'm quite aware of that," said the Doctor quickly, to continue the tradition of omniscience.

    Skippy Bedelle |Owen Johnson

British Dictionary definitions for butyl

butyl
/ (ˈbjuːˌtaɪl, -tɪl) /

noun

(modifier) of, consisting of, or containing any of four isomeric forms of the group C 4 H 9 – butyl rubber

Word Origin for butyl

C19: from but ( yric acid) + -yl

Medical definitions for butyl

butyl
[ byōōt′l ]

n.

A hydrocarbon radical, C4H9.

Scientific definitions for butyl

butyl
[ byōōt′l ]

The radical C4H9, derived from butane.