[ uh-set-uh-mahyd, as-i-tam-ahyd ]
/ əˈsɛt əˌmaɪd, ˌæs ɪˈtæm aɪd /

noun Chemistry.

a white, water-soluble, crystalline solid, C2H5NO, the amide of acetic acid: used chiefly in organic synthesis.
Also a·cet·am·id [uh-set-uh-mid, as-i-tam-id] /əˈsɛt ə mɪd, ˌæs ɪˈtæm ɪd/.

Origin of acetamide

First recorded in 1870–75; acet- + amide
Also called acetic acid amide. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for acetamide


acetamid (ˌæsɪˈtæmɪd, əˈsɛtɪmɪd)

/ (ˌæsɪˈtæmaɪd, əˈsɛtɪˌmaɪd) /


a white or colourless soluble deliquescent crystalline compound, used in the manufacture of organic chemicals. Formula: CH 3 CONH 2

Word Origin for acetamide

C19: from German Azetamid, from aceto- + amide
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

Science definitions for acetamide


[ ə-sĕtə-mīd′, ăs′ĭt-ămīd′ ]

The crystalline amide of acetic acid, used as a solvent and wetting agent and in lacquers and explosives. Chemical formula: CH3CONH2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.