acrolein

noun

acro·​le·​in ə-ˈkrō-lē-ən How to pronounce acrolein (audio)
: a colorless irritant pungent liquid aldehyde C3H4O used chiefly in organic synthesis

Examples of acrolein in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
That's because acrolein wasn’t among the chemicals that spilled or burned after the train jumped the tracks. Aria Bendix, NBC News, 12 July 2023 In the paper, researchers detected significant levels of 31 toxic chemicals, including formaldehyde, acrolein, propylene oxide, and previously undetected glycidol present. Samantha Cole, Popular Science, 27 July 2016 Both forms of cigarette use caused the presence of much higher levels of dangerous chemicals in the users’ bodies, including acrylonitrile, acrolein, propylene oxide, acrylamide and crotonaldehyde, the team reported. Benjamin Fearnow, Newsweek, 6 Mar. 2018 Those who used both types of cigarette had significantly higher levels of dangerous chemicals, including acrylonitrile, acrolein, propylene oxide, acrylamide and crotonaldehyde, the team reported. Maggie Fox /, NBC News, 5 Mar. 2018

Word History

Etymology

borrowed from German Acrolein, from Latin ācr-, ācer "sharp, acrid" + oleum oil entry 1 + German -in -in entry 1 — more at acr-

First Known Use

circa 1857, in the meaning defined above

Time Traveler
The first known use of acrolein was circa 1857

Dictionary Entries Near acrolein

Cite this Entry

“Acrolein.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acrolein. Accessed 8 Nov. 2024.

Medical Definition

acrolein

noun
acro·​le·​in ə-ˈkrō-lē-ən How to pronounce acrolein (audio)
: a toxic colorless liquid aldehyde C3H4O with acrid odor and irritating vapors that polymerizes readily into resins and is used chiefly in organic synthesis (as of methionine)

called also acrylaldehyde

More from Merriam-Webster on acrolein

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!