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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

There are a wide range of chemicals that scientists are concerned about from the East Palestine crash, including vinyl chloride, 2-butoxyethanol, ethylhexyl acrylate, butyl acrylate and isobutylene.

From Salon • Apr. 11, 2023

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

From Seattle Times • Apr. 4, 2023

They include benzene and butyl acrylate, which are also precursors to plastics and other chemicals, as well as 2-butoxyethanol, a common ingredient in paint strippers and cleaning products.

From Scientific American • Feb. 25, 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