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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His blood pressure is up, his waistline is expanding, and his triglycerides are climbing. Dariush Mozaffarian, Washington Post, 9 Feb. 2026 Excess blood sugar can be converted to triglycerides, a type of fat found in the bloodstream. Brianna Tobritzhofer, Health, 9 Feb. 2026 The blood test also checks for triglycerides, another type of fat in the blood that can contribute to heart disease. Akshay Syal, NBC news, 8 Feb. 2026 And high levels of omega-3s in your diet can combat triglycerides, a type of fat that can contribute to heart disease if elevated in the bloodstream, according to the National Center for Complementary and Integrative Health. Mara Santilli, Flow Space, 5 Feb. 2026 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 14 Feb. 2026.

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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