[trahy-glis-uh-rahyd, -er-id]
noun Biochemistry, Chemistry.
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.
Compare glyceride.

1855–60; tri- + glyceride Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
triglyceride (traɪˈɡlɪsəˌraɪd)
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

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

triglyceride tri·glyc·er·ide (trī-glĭs'ə-rīd')
See triacylglycerol.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
triglyceride   (trī-glĭs'ə-rīd')  Pronunciation Key 
Any of a class of organic compounds that are esters consisting of three fatty acids joined to glycerol. The fatty acids may be the same or may be different. triglycerides are the chief lipids constituting fats and oils and function to store chemical energy in plants and animals.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Lipase enzymes that break down triglycerides found in grease are also likely
After rigorous testing, the big pharma sells fish oil to lower triglycerides.
Fish oil has been tested and shown effective for lowering triglycerides.
They're produced by bacteria tirelessly breaking down triglycerides in the
  sebum coating our skin.
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