An intermediate in yeast fermentation of carbohydrate and in alcohol metabolism. It is a central agent for the toxic effects of ethanol. SYN: acetic aldehyde, ethanal.
- activated a. the activated form of a. that is formed during the decarboxylation of active pyruvate. Formed in alcohol fermentation and in carbohydrate metabolism. SYN: α-hydroxyethylthiamin pyrophosphate.

* * *

ac·et·al·de·hyde .as-ə-'tal-də-.hīd n a colorless volatile water-soluble liquid aldehyde C2H4O used chiefly in organic synthesis that can cause irritation to mucous membranes

* * *

ac·et·al·de·hyde (as″ət-alґdə-hīd″) a colorless flammable liquid with a pungent odor, used in the manufacture of acetic acid, perfumes, and flavors. It is also an intermediate in the metabolism of alcohol. If ingested, it may cause irritation of mucous membranes, lacrimation, photophobia, conjunctivitis, corneal injury, rhinitis, anosmia, bronchitis, pneumonia, pleurisy, headache, and unconsciousness. Called also acetic aldehyde, ethanal, and ethylaldehyde.

Medical dictionary. 2011.

Look at other dictionaries:

  • Acetaldehyde — Acetaldehyde …   Wikipedia

  • acétaldéhyde — ● acétaldéhyde nom masculin Composé chimique CH3―CH≅O, dérivant de l alcool éthylique par oxydation ménagée ou de l acétylène par hydratation. (C est un intermédiaire essentiel de l industrie chimique, conduisant à l acétate de vinyle, à l acide… …   Encyclopédie Universelle

  • Acetaldehyde — Ac et*al de*hyde, n. Acetic aldehyde. See {Aldehyde}. [1913 Webster] …   The Collaborative International Dictionary of English

  • acetaldehyde — [as΄et al′də hīd΄] n. [contr. < acetic aldehyde] a colorless, soluble, flammable, liquid aldehyde, CH3CHO, formed by the oxidation of ethylene: used as a solvent and as a raw material in making many organic compounds …   English World dictionary

  • Acétaldéhyde — Éthanal Éthanal Formule semi développée de l éthanal Général Nom IUPAC éthanal …   Wikipédia en Français

  • acetaldehyde — /as i tal deuh huyd /, n. Chem. a volatile, colorless, water soluble liquid, C2H4O, having a pungent, fruitlike odor: used chiefly in the silvering of mirrors and in organic synthesis. Also called ethanal. [1875 80; ACET + ALDEHYDE] * * * ▪… …   Universalium

  • acetaldehyde — Aldehyde Al de*hyde ([a^]l d[ e]*h[imac]d), n. [Abbrev. fr. alcohol dehydrogenatum, alcohol deprived of its hydrogen.] 1. (Chem.) A colorless, mobile, and very volatile liquid obtained from alcohol by certain processes of oxidation. [1913… …   The Collaborative International Dictionary of English

  • acetaldehyde — acetaldehidas statusas T sritis chemija formulė CH₃CHO atitikmenys: angl. acetaldehyde rus. ацетальдегид; уксусный альдегид ryšiai: sinonimas – etanalis …   Chemijos terminų aiškinamasis žodynas

  • acetaldehyde — noun Etymology: International Scientific Vocabulary Date: 1877 a colorless volatile water soluble liquid aldehyde C2H4O used chiefly in organic synthesis …   New Collegiate Dictionary

  • acetaldehyde — noun /ˌæs.ɪˈtæl.dəˌhaɪd/ An organic compound (CHCHO). Sometimes called ethanal or acetic aldehyde. See aldehyde …   Wiktionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.