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triglyceride

[trahy-glis-uh-rahyd, -er-id]
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noun Biochemistry, Chemistry.
  1. an ester obtained from glycerol by the esterification of three hydroxyl groups with fatty acids, naturally occurring in animal and vegetable tissues: an important energy source forming much of the fat stored by the body.
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Compare glyceride.

Origin of triglyceride

First recorded in 1855–60; tri- + glyceride
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for triglycerides

triglyceride

noun
  1. any ester of glycerol and one or more carboxylic acids, in which each glycerol molecule has combined with three carboxylic acid molecules. Most natural fats and oils are triglycerides
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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 triglycerides

triglyceride

n.

1860, malformed from tri- + glyceride. So called for the three radicals.

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Online Etymology Dictionary, © 2010 Douglas Harper

triglycerides in Medicine

triglyceride

(trī-glĭsə-rīd′)
n.
  1. triacylglycerol

triglycerides in Science

triglyceride

[trī-glĭsə-rīd′]