Adjacent Words

aldehyde definitions

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WordNet (r) 3.0 (2005)

n
1: any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids

Merriam Webster's

noun Etymology: German Aldehyd, from New Latin al. dehyd., abbreviation of alcohol dehydrogenatum dehydrogenated alcohol Date: circa 1846 acetaldehyde; broadly any of a class of highly reactive organic compounds that are analogous to acetaldehyde and characterized by a carbonyl group attached to a hydrogen atom • aldehydic adjective

Oxford Reference Dictionary

n. Chem. any of a class of compounds formed by the oxidation of alcohols (and containing the group -CHO). Derivatives: aldehydic adj. Etymology: abbr. of mod.L alcohol dehydrogenatum alcohol deprived of hydrogen

Webster's 1913 Dictionary

Aldehyde Al"de*hyde, n. [Abbrev. fr. alcohol dehydrogenatum, alcohol deprived of its hydrogen.] (Chem.) A colorless, mobile, and very volatile liquid obtained from alcohol by certain processes of oxidation. Note: The aldehydes are intermediate between the alcohols and acids, and differ from the alcohols in having two less hydrogen atoms in the molecule, as common aldehyde (called also acetic aldehyde or ethyl aldehyde), C2H4O; methyl aldehyde, CH2O.