triglyceride

American  

[trahy-glis-uh-rahyd, -er-id] / traɪˈglɪs əˌraɪd, -ər ɪd /

noun

Biochemistry, Chemistry.

• triglycerides
  plural

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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triglyceride British  

/ traɪˈɡlɪsəˌraɪd /

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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triglyceride Scientific  

/ trī-glĭs′ə-rīd′ /

1. 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.

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Other Word Forms

Noun Inflected Forms

• triglycerides
  plural

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Etymology

Origin of triglyceride

First recorded in 1855–60; tri- + glyceride

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Example Sentences

See Examples For:

triglyceride triglycerides

The study followed 15 patients for one year to determine whether the cholesterol and triglyceride reductions previously reported after two months would continue over time.

From Science Daily ● Sep. 27, 2026

Making healthy lifestyle choices — like exercising regularly, limiting alcohol intake and consuming a diet that’s high in fibers and healthy fats — can greatly reduce triglyceride levels.

From Salon ● Apr. 8, 2024

Maybe our man received a frightening blood pressure reading or a triglyceride audit that fell outside acceptable margins and has decided to take matters into his own hands.

From Slate ● Apr. 3, 2024

However, patients with type 1 diabetes have very little to gain from lowering the current guideline values for cardiometabolic risk factors such as BMI, cholesterol and triglyceride levels, or improved renal function.

From Science Daily ● Mar. 28, 2024

Acetin Method.—This consists in converting the glycerol into its ester with acetic acid, the acetic triglyceride, or triacetin being formed.

From The Handbook of Soap Manufacture by W. H. Simmons

The trial for patients with cardiovascular disease also showed other exciting outcomes, Skovronsky said, including reductions in triglycerides, non-HDL cholesterol, blood pressure, and inflammation.

From The Wall Street Journal ● Jul. 23, 2026

A recent study found that a one-time Crispr-based therapy lowered LDL cholesterol and triglycerides by about 50%.

From The Wall Street Journal ● Jun. 14, 2026

HSL plays a central role in this process by breaking down triglycerides into fatty acids that other organs can use for fuel.

From Science Daily ● May 8, 2026

These markers include glucose, fats called triglycerides, and the protein tryptophan.

From Science Daily ● Mar. 15, 2026

What about lecithin and mono-, di-, and triglycerides?

From "The Omnivore's Dilemma" by Michael Pollan

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