lipid

noun

lip·​id ˈli-pəd How to pronounce lipid (audio)
variants or less commonly lipide
: any of various substances that are soluble in nonpolar organic solvents (such as chloroform and ether), that are usually insoluble in water, that with proteins and carbohydrates constitute the principal structural components of living cells, and that include fats, waxes, phosphatides, cerebrosides, and related and derived compounds
lipidic adjective

Examples of lipid in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Management of blood cholesterol levels: Pectin may improve blood lipid (fat) levels by binding with cholesterol in the digestive tract.1 Animal studies have found cholesterol and blood fat–lowering properties of pectin supplements.12 However, more research in humans is needed. Lana Barhum, Verywell Health, 24 Mar. 2025 In the newly abstaining group, those who drank the most before quitting saw the biggest changes in their lipid levels. Ars Technica, 12 Mar. 2025 The protective lipid layer helps the CRISPR system enter targeted cells more effectively. Stephanie Edwards, Discover Magazine, 12 Mar. 2025 Crafted to lock in moisture, reduce redness, and soothe stressed skin, this toner blends the brand’s barrier lipid complex, polyglutamic acid, and cica into a thin hydrator that pairs well with any other step of your routine. Kiana Murden, Vogue, 27 Feb. 2025 See All Example Sentences for lipid

Word History

Etymology

International Scientific Vocabulary

First Known Use

1912, in the meaning defined above

Time Traveler
The first known use of lipid was in 1912

Cite this Entry

“Lipid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lipid. Accessed 8 Apr. 2025.

Kids Definition

lipid

noun
lip·​id ˈlip-əd How to pronounce lipid (audio)
: any of various substances (as fats and waxes) that with proteins and carbohydrates make up the principal structural parts of living cells

Medical Definition

lipid

noun
lip·​id ˈlip-əd How to pronounce lipid (audio)
variants also lipide
: any of various substances that are soluble in nonpolar organic solvents (as chloroform and ether), that with proteins and carbohydrates constitute the principal structural components of living cells, and that include fats, waxes, phospholipids, cerebrosides, and related and derived compounds

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