Advertisement - Continue reading below

Definition of "acrolein" [a•cro•le•in]

  • A colorless, flammable, poisonous liquid aldehyde, CH2CHCHO, having an acrid odor and vapors irritating to the eyes. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "acrolein" in a sentence
  • "The plant is also setting new standards in the area of backward integration, obtaining all the important precursors such as acrolein and methyl mercaptan from its own raw materials production facilities."
  • "Monitors also were tracking high levels of other toxic chemicals, including formaldehyde, carbon tetrachloride, acetaldehyde and acrolein."
  • "At the 15 schools — in Alabama, California, Kentucky, Michigan, Mississippi, New York, Ohio and South Carolina — regulators found average acrolein levels at least 100 times higher than what the government considers safe for long-term exposure."