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

Nine days after the derailment, sophisticated air testing by a business owner showed the building’s indoor air was contaminated with butyl acrylate and other chemicals carried by the railcars.

From Salon

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

From Science Daily

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

Officials in the Ohio city of Steubenville detected butyl acrylate in its water, but added they would remove it from the river using powder activated carbon.

From Salon

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

From Seattle Times