triglyceride

noun

tri·​glyc·​er·​ide (ˌ)trī-ˈgli-sə-ˌrīd How to pronounce triglyceride (audio)
: any of a group of lipids that are esters formed from one molecule of glycerol and three molecules of one or more fatty acids, are widespread in adipose tissue, and commonly circulate in the blood in the form of lipoproteins

Examples of triglyceride in a Sentence

Recent Examples on the Web
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People with a nonfunctioning ANGPTL3 gene — which Natarajan says applies to about 1 in 250 people in the US — have lifelong levels of low LDL cholesterol and triglycerides without any apparent negative consequences. Sandee Lamotte, CNN Money, 8 Nov. 2025 The study, which involved 15 volunteers, found one infusion of a drug that uses the CRISPR gene-editing technique could safely reduce cholesterol, as well as levels of harmful triglycerides, by about half. NPR, 8 Nov. 2025 And research hints that a drug class called fenofibrates, which has been used to treat abnormal levels of cholesterol and triglycerides in the blood, can reduce the risk that early diabetic retinopathy will become more severe. Liz Szabo, Scientific American, 14 Oct. 2025 Fye pointed to an opportunity for Ionis to expand olezarsen, currently used to reduce triglycerides in adults with familial chylomicronemia syndrome, or FCS, into the severe hypertriglyceridemia market, or sHTG. Lisa Kailai Han, CNBC, 8 Oct. 2025 See All Example Sentences for triglyceride

Word History

Etymology

International Scientific Vocabulary

First Known Use

1860, in the meaning defined above

Time Traveler
The first known use of triglyceride was in 1860

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Cite this Entry

“Triglyceride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/triglyceride. Accessed 9 Nov. 2025.

Medical Definition

triglyceride

noun
tri·​glyc·​er·​ide (ˈ)trī-ˈglis-ə-ˌrīd How to pronounce triglyceride (audio)
: any of a group of lipids that are esters formed from one molecule of glycerol and three molecules of one or more fatty acids, are widespread in adipose tissue, and commonly circulate in the blood in the form of lipoproteins

called also neutral fat

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