aldehyde

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Related to aldehyde: Aldehyde dehydrogenase

al·de·hyde

(ăl′də-hīd′)

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.

aldehyde

(ˈældɪˌhaɪd)

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]

aldehydic adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

al•de•hyde

(ˈæl dəˌhaɪd)

n.

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]

al`de•hy′dic, adj.

al·de·hyde

(ăl′də-hīd′)

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

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

formaldehyde, methanal - a colorless poisonous gas; made by the oxidation of methanol

furfural, furfuraldehyde - a liquid aldehyde with a penetrating odor; made from plant hulls and corncobs; used in making furan and as a solvent

glyceraldehyde, glyceric aldehyde - a sweet crystalline aldehyde formed by the breakdown of sugars

propanal, propionaldehyde - a colorless liquid aldehyde

acrolein, propenal - a pungent colorless unsaturated liquid aldehyde made from propene

Translations

aldehüüd

aldehyd

aldehyde

n → Aldehyd m

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

References in periodicals archive ?

The role of alcohol dehydrogenase 2 and aldehyde dehydrogenase 2 genotypes in alcohol-induced vasospastic angina.

Association between Carotid Intima-media Thickness and Aldehyde Dehydrogenase 2 Glu504Lys Polymorphism in Chinese Han with Essential Hypertension

Toxic aldehydes, such as formaldehyde, acetaldehyde and acrolein, were at negligible levels in the starting liquids, Destaillats says.

Toxic e-cig fumes linked to e-liquids: with age and heat, vaping devices emit more toxicants

They do not generate smoke as do conventional cigarettes but they do generate an aerosol - the vapour that alters indoor air quality and contains toxic aldehydes, said Daniel J.

E-cigarettes can cause heart disease: Study

For example: Aldehyde dehydrogenase is involved in breaking down aldehydes.

The nutri-genomic impact on histamine metabolism

After technical drying, TVOC of fungal treated material decreased substantially due to the reduction of aldehyde emissions.

Processing pellets towards low emissions

The investigators exposed cinnamic aldehyde to 158 F for up to 1 hour in a closed system.

Cinnamic aldehyde offers antimicrobial activity

Key words: Aldehyde oxidase; indole-3-acetic acid (IAA); methyl jasmonate; maize (Zea mays).

METHYL JASMONATE INCREASES ACTIVITIES OF ALDEHYDE OXIDASE AND AUXIN CONTENTS IN MAIZE (Zea mays)

Increasing amounts of pre-fermentative S[O.sub.2] correlates with higher acetaldehyde production, since S[O.sub.2] inhibits aldehyde dehydrogenase, which converts acetaldehyde to etha-no1.

Microbial origins of key wine aromas papt I: esters and aldehydes

Kagawa et al., "Tissue-distribution of aldehyde dehydrogenase 2 and effects of the ALDH2 gene-disruption on the expression of enzymes involved in alcohol metabolism," Frontiers in Bioscience, vol.

Ethanol at low concentration attenuates diabetes induced lung injury in rats model

It is indicated that the function of aldehyde dehydrogenase and iron containing alcohol dehydrogenase of Pseudomonas putida GB-1, function as oxidization of QACs.

Evaluation of Genes Encoding 4-N-Trimethylaminobutyraldehyde Dehydrogenase and 4-N-Trimethylamino-1-butanol Dehydrogenase from Pseudomonas sp. 13CM

A mixture of pyrrole (2 mmol), aldehyde (1 mmol) and Sn[Cl.sub.2] x 2[H.sub.2]O (0.2 mmol) was crushed in a mortar with a pestle at room temperature.

An efficient solvent-free synthesis of meso-substituted dipyrromethanes using Sn[Cl.sub.2] x 2[H.sub.2]O catalysis

Now, studies are underway to determine the activity of the aldehyde at lower concentrations.