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[glis-uh-rahyd, -er-id]
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noun Chemistry, Biochemistry.
  1. any of a group of esters obtained from glycerol by the replacement of one, two, or three hydroxyl groups with a fatty acid: the principal constituent of adipose tissue.

Origin of glyceride

First recorded in 1860–65; glycer(in) + -ide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for glyceride


  1. any fatty-acid ester of glycerol
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

Word Origin and History for glyceride


compound of glycerol and organic acids; see glycerin + -ide.

Online Etymology Dictionary, © 2010 Douglas Harper

glyceride in Medicine


  1. A natural or synthetic ester of glycerol and fatty acids.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

glyceride in Science


  1. Any of various esters formed when glycerol reacts with a fatty acid. The fatty acids can react with one, two, or all three of the hydroxyl groups of the glycerol, resulting in mono-, di-, and triglycerides, respectively. Triglycerides are the main components of plant and animal oils and fats.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.