acetaldehyde

[ as-i-tal-duh-hahyd ]
/ ˌæs ɪˈtæl dəˌhaɪd /

noun Chemistry.

a volatile, colorless, water-soluble liquid, C2H4O, having a pungent, fruitlike odor: used chiefly in the silvering of mirrors and in organic synthesis.

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earnest
full seriousness, as of intention or purpose.
a feeling of dread, anxiety, or anguish.
urgent character; imperativeness; insistence; importunateness.
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Also called ethanal.

Origin of acetaldehyde

First recorded in 1875–80; acet- + aldehyde

Words nearby acetaldehyde

acetabulectomy, acetabuliform, acetabuloplasty, acetabulum, acetal, acetaldehyde, acetaldol, acetamide, acetaminophen, acetanilide, acetanisidine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for acetaldehyde

British Dictionary definitions for acetaldehyde

acetaldehyde
/ (ˌæsɪˈtældɪˌhaɪd) /

noun

a colourless volatile pungent liquid, miscible with water, used in the manufacture of organic compounds and as a solvent and reducing agent. Formula: CH 3 CHOSystematic name: ethanal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for acetaldehyde

acetaldehyde
[ ăs′ĭ-tăl′də-hīd′ ]

n.

A colorless, flammable liquid formed during ethanol metabolism and yeast fermentation of organic compounds and used to manufacture acetic acid and drugs.aldehyde ethaldehyde
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for acetaldehyde

acetaldehyde
[ ăs′ĭ-tăl′də-hīd′ ]

A colorless, flammable liquid, used to manufacture acetic acid, perfumes, and drugs. Chemical formula: C2H4O.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.