aldehyde(redirected from Methanoyl)
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Any of a class of highly reactive organic chemical compounds obtained by oxidation of primary alcohols, characterized by the common group CHO, and used in the manufacture of resins, dyes, and organic acids.
[German Aldehyd, from New Latin al. dehyd., abbr. for alcohol dehydrogenātum, dehydrogenized alcohol.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Elements & Compounds) any organic compound containing the group -CHO. Aldehydes are oxidized to carboxylic acids and take part in many addition reactions
2. (Chemistry) (modifier) consisting of, containing, or concerned with the group -CHO: aldehyde group or radical.
[C19: from New Latin al(cohol) dehyd(rogenātum) dehydrogenated alcohol]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
any of a class of organic compounds containing the group −CHO, which yields acids when oxidized and alcohols when reduced.
[1840–50; < New Latin al(cohol)dehyd(rogenātum) dehydrogenated alcohol]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Any of a class of highly reactive organic chemical compounds containing the group CHO. Aldehydes are used in resins, dyes, and organic acids.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||aldehyde - any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids|
ethanal trimer, paraldehyde - a colorless liquid (a cyclic trimer of acetaldehyde) that is used as a sedative and a solvent
acetaldehyde, ethanal - a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs
organic compound - any compound of carbon and another element or a radical
furfural, furfuraldehyde - a liquid aldehyde with a penetrating odor; made from plant hulls and corncobs; used in making furan and as a solvent
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