chloroprene

American

[klawr-uh-preen, klohr-] / ˈklɔr əˌprin, ˈkloʊr- /

noun

a colorless, slightly water-soluble liquid, C 4 H 5 Cl, usually produced by the reaction of vinylacetylene with hydrochloric acid, that polymerizes to neoprene.

chloroprene British

/ ˈklɔːrəʊˌpriːn /

noun

a colourless liquid derivative of butadiene that is used in making neoprene rubbers; 2-chloro-1,2-butadiene. Formula: CH 2 :CHCCl:CH 2

"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

Etymology

Origin of chloroprene

First recorded in 1930–35; chloro- ² + (iso)prene

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.

And the EPA is proposing regulations to reduce emissions of pollutants like chloroprene.

From Seattle Times • Nov. 1, 2023

The proposal would also institute new monitoring requirements for ethylene oxide and a host of other chemicals — including chloroprene, benzene, 1,3-butadiene, ethylene dichloride and vinyl chloride, the EPA said.

From Washington Post • Apr. 6, 2023

"The cancer rates Denka cited are not specific to the people who have been most exposed to chloroprene," Terrell said.

From Salon • Oct. 24, 2022

It is the nation's only industrial site that emits chloroprene.

From Salon • Oct. 24, 2022

Less than a half mile from an elementary school in Reserve, it makes synthetic rubber, emitting chloroprene, listed as a carcinogen in California, and a likely one by the Environmental Protection Agency.

From Seattle Times • Sep. 26, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023