[ am-ahyd, -id ]
/ ˈæm aɪd, -ɪd /
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noun Chemistry.

a metallic derivative of ammonia in which the −NH2 group is retained, as potassium amide, KNH2.
an organic compound obtained by replacing the −OH group in acids by the −NH2 group.
an organic compound formed from ammonia by replacing a hydrogen atom by an acyl group.



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Origin of amide

First recorded in 1840–50; am(monia) + -ide
a·mid·ic [uh-mid-ik], /əˈmɪd ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for amide

/ (ˈæmaɪd) /


any organic compound containing the functional group -CONH 2
(modifier) consisting of, containing, or concerned with the group -CONH 2amide group or radical
an inorganic compound having the general formula M(NH 2) x, where M is a metal atom
amidic (əˈmɪdɪk), adjective
C19: from am (monia) + -ide
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 amide

[ ămīd′, -ĭd ]


An organic compound, such as acetamide, containing the acyl radical.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for amide

[ ămīd′ ]

Any organic compound containing the group CONH2, derived from a fatty acid by replacing the hydroxyl group (OH) of the carboxyl group (COOH) with an amino group (NH2). Amides are volatile solids.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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