butyl

¹

[ byoo-til, byoot-l ]

adjective

, Chemistry.

1. containing a butyl group.

Butyl

²

[ byoo-til, byoot-l ]

Trademark.

1. 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.

butyl

/ ˈbjuːˌtaɪl; -tɪl /

noun

1. modifier of, consisting of, or containing any of four isomeric forms of the group C 4 H 9 –

   butyl rubber

butyl

/ byo̅o̅t′l /

1. The radical C 4 H 9 , derived from butane.

Word History and Origins

Origin of butyl¹

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

Word History and Origins

Origin of butyl¹

C19: from but ( yric acid ) + -yl

Example Sentences

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

From Project Gutenberg

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

From Project Gutenberg

True, it smelled like an ancient Earth-animal called skunk—butyl mercaptan.

From Project Gutenberg

The musk deer may now be saved from extinction since we can make tri-nitro-butyl-xylene from coal tar.

From Project Gutenberg

A blue, equally rich and more durable, was obtained by employing the nitrite-of-butyl vapour in a still more attenuated condition.

From Project Gutenberg