isobutylene

noun

iso·​bu·​tyl·​ene ˌī-sō-ˈbyü-tə-ˌlēn How to pronounce isobutylene (audio)
: a gaseous butylene C4H8 used especially in making butyl rubber and gasoline components

Examples of isobutylene in a Sentence

Recent Examples on the Web Several cars were also carrying ethyl acrylate and isobutylene, which are considered to be very toxic and possibly carcinogenic, the agencies reported. Leah Sarnoff, ABC News, 19 June 2024 Twenty cars contained hazardous materials, including vinyl chloride, ethylene glycol, ethylhexyl acrylate, butyl acrylate and isobutylene, the EPA said, with some cars catching fire, and some cars spilled their loads into an adjacent ditch. Emily Mills, USA TODAY, 11 May 2023 Chemicals:What are vinyl chloride and isobutylene? Cameron Knight, The Enquirer, 15 Feb. 2023 The chemicals included vinyl chloride, butyl acrylate, ethylhexyl acrylate, ethylene glycol monobutyl ether and isobutylene. Max Filby, USA TODAY, 3 Apr. 2023 The incident comes more than a month after a Norfolk Southern foreign train derailed in East Palestine, Ohio, releasing vinyl chloride, ethyl acrylate and isobutylene into the environment. Teddy Grant, ABC News, 27 Mar. 2023 The car carrying isobutylene was not breached. Anna Phillips, Washington Post, 14 Feb. 2023 The incident comes a little over a month after a Norfolk Southern foreign train derailed in East Palestine, Ohio, releasing vinyl chloride, ethyl acrylate and isobutylene into the environment. Teddy Grant, ABC News, 6 Mar. 2023 The train had about 20 cars containing chemicals including vinyl chloride — considered a carcinogen — as well as ethylhexyl acrylate and isobutylene, according to the EPA. Jef Feeley, Fortune, 27 Feb. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'isobutylene.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

International Scientific Vocabulary

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of isobutylene was in 1872

Dictionary Entries Near isobutylene

Cite this Entry

“Isobutylene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isobutylene. Accessed 22 Jul. 2024.

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