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acrolein

[uh-kroh-lee-in]
noun Chemistry.
  1. a yellow, flammable liquid, C3H4O, having a stifling odor, usually obtained by the decomposition of glycerol: used chiefly in the synthesis of commercial and pharmaceutical products.
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Origin of acrolein

1855–60; < Latin ācr- (stem of ācer) sharp + olē(re) to smell + -in2
Also called acraldehyde, acrylaldehyde, acrylic aldehyde.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for acrolein

acrolein

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

C19: from Latin ācer sharp + olēre to smell + -in
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