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butyl

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

adjective

Chemistry.
  1. containing a butyl group.


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.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

butyl Scientific  
/ byo̅o̅tl /
  1. The radical C 4 H 9, derived from butane.


Etymology

Origin of butyl

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As tainted water flowed downstream, light chemicals like butyl acrylate naturally left the creek and entered the air by a process called volatilization.

From Salon • Oct. 5, 2024

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

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