triglyceride

[ trahy-glis-uh-rahyd, -er-id ]

/ traɪˈglɪs əˌraɪd, -ər ɪd /

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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.

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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. 2023

How to use triglyceride in a sentence

Unfortunately for the proponents of high-carbohydrate diets, high blood triglycerides are a major risk factor for heart disease.
The Heart Association’s Junk Science Diet|Dr. Barbara H. Roberts|May 22, 2014|DAILY BEAST
MCT Oil - Medium Chain Triglycerides are the fat transport mechanisms you get when you put coconut oil in a centrifuge.
These Are The 15 Supplements to Keep In Your Medicine Cabinet|Ari Meisel|December 28, 2013|DAILY BEAST
The HFCS-fed animals also had increases in abdominal fat and triglycerides.
The Fight Over High-Fructose Corn Syrup|Sharon Begley|February 28, 2011|DAILY BEAST
Thus three fatty acid radicals combine with one glycerine to form a true neutral oil or fat which are called triglycerides.
Soap-Making Manual|E. G. Thomssen

British Dictionary definitions for triglyceride

triglyceride

/ (traɪˈɡlɪsəˌraɪd) /

noun

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 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for triglyceride

triglyceride

[ trī-glĭs′ə-rīd′ ]

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.