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• butyl
  butyl

  adjective

  containing a butyl group.
• Butyl
  Butyl

  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

¹ American  

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

adjective

Chemistry.

1. containing a butyl group.

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Butyl ² American  

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

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butyl British  

/ ˈbjuːˌtaɪl, -tɪl /

noun

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

   butyl rubber

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butyl Scientific  

/ byo̅o̅t′l /

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

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Etymology

Origin of butyl

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

Example Sentences

In both dispersions, the base polymer was a copolymer composed of the inexpensive, commercially available components styrene and butyl acrylate.

From Science Daily • Nov. 13, 2023

The chemicals included vinyl chloride, butyl acrylate and ethylhexyl acrylate, according to the Environmental Protection Agency.

From Seattle Times • Apr. 4, 2023

They punctured the train cars to drain the chemicals they had been carrying, including vinyl chloride and butyl acrylate, into pits.

From Scientific American • Mar. 24, 2023

Vinyl chloride, butyl acrylate, ethylhexyl acrylate and ethylene glycol monobutyl are among the substances that were released into the air, surface water and surface soil, the Environmental Protection Agency said.

From New York Times • Feb. 22, 2023

An average man can detect just a few molecules of butyl mercaptan, and most of us can sense the presence of musk in vanishingly small amounts.

From "The Lives of a Cell" by Lewis Thomas