tri·glyc·er·ide

[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.


Origin:
1855–60; tri- + glyceride

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
triglyceride (traɪˈɡlɪsəˌraɪd) [Click for IPA pronunciation guide]
 
n
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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00:10
Triglycerides is always a great word to know.
So is bezoar. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
American Heritage
Medical Dictionary

triglyceride tri·glyc·er·ide (trī-glĭs'ə-rīd')
n.
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
Elevated lipids--cholesterol and triglycerides--are important risk factors.
Triglycerides are an important measure of heart health.
They're produced by bacteria tirelessly breaking down triglycerides in the
  sebum coating our skin.
Lipase enzymes that break down triglycerides found in grease are also likely
  suspects.
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