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acrolein

American  
[uh-kroh-lee-in] / əˈkroʊ li ɪn /

noun

Chemistry.
  1. a yellow, flammable liquid, C 3 H 4 O, having a stifling odor, usually obtained by the decomposition of glycerol: used chiefly in the synthesis of commercial and pharmaceutical products.


acrolein British  
/ əˈkrəʊlɪɪn /

noun

  1. a colourless or yellowish flammable poisonous pungent liquid used in the manufacture of resins and pharmaceuticals. Formula: CH 2 :CHCHO

"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 acrolein

1855–60; < Latin ācr- (stem of ācer ) sharp + olē ( re ) to smell + -in 2

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.

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 • Jul. 25, 2023

Whelton’s team and other researchers at Purdue analysed the samples and found several chemicals that could have been released following the accident, including acrolein.

From Scientific American • Mar. 24, 2023

In addition to acrolein, the group found higher concentrations of four more acrolein-like compounds around East Palestine than in surrounding areas, as well as another compound of concern in certain hot spots.

From Scientific American • Mar. 24, 2023

But acrolein levels were high enough in some places to raise long-term health concerns, said Albert Presto, a Carnegie Mellon mechanical engineering research professor.

From Seattle Times • Mar. 11, 2023

Of or containing acryl, the hypothetical radical of which acrolein is the hydride; as, acrylic acid.

From Webster's Unabridged Dictionary by Webster, Noah