from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A colorless, flammable, poisonous liquid aldehyde, C3H4O, having an acrid odor and vapors irritating to the eyes.

from The Century Dictionary.

  • noun A colorless limpid liquid, CH2CHCOH, having a disagreeable and intensely irritating odor, such as that noticeable after the flame of a candle has been extinguished and while the wick still glows.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.) A limpid, colorless, highly volatile liquid, obtained by the dehydration of glycerin, or the destructive distillation of neutral fats containing glycerin. Its vapors are intensely irritating.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun organic chemistry A pungent, acrid, poisonous liquid aldehyde, CH2=CH-CH=O, made by the destructive distillation of glycerol.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a pungent colorless unsaturated liquid aldehyde made from propene


from The American Heritage® Dictionary of the English Language, 4th Edition

[acr(id) + olein.]



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