Dictionary.com

acetaldehyde

[ as-i-tal-duh-hahyd ]
/ ˌæs ɪˈtæl dəˌhaɪd /
Save This Word!

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.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.
Also called ethanal.

Origin of acetaldehyde

First recorded in 1875–80; acet- + aldehyde
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use acetaldehyde in a sentence

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

Scientific definitions for acetaldehyde

acetaldehyde
[ ăs′ĭ-tăldə-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.
FEEDBACK