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

Blood and urine will be screened for exposure to chemicals present or suspected to be present at the derailment, including dioxins, vinyl chloride, acrolein and butyl acrylate.

From Seattle Times • Jul. 25, 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

Two of the chemicals released through the burst pipe were butyl acrylate and ethyl acrylate, both colorless liquids with an acrid odor that are used for making paints, caulks and adhesives.

From New York Times • Mar. 26, 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