lipid

noun

lip·​id ˈli-pəd How to pronounce lipid (audio)
variants or less commonly lipide
ˈli-ˌpīd How to pronounce lipid (audio)
: 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, phospholipids, cerebrosides, and related and derived compounds
lipidic
li-ˈpi-dik How to pronounce lipid (audio)
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.
LipLift is powered by the brand’s proprietary Hyaluron Peptide-6 BioFill, a topical volumizing technology formulated with six advanced biomimetic peptides, hyaluronic acid oil, poly-hyaluronic acid filling spheres and bioidentical skin lipids. — Kathryn Hopkins, Footwear News, 4 Aug. 2026 At the center of the line is EPIDERMBARRIER, a patented biotechnology designed to mimic the skin's natural lipid structure, reinforcing the skin barrier at a molecular level while locking in hydration and supporting long-term repair. — Tiana Randall, Forbes.com, 28 July 2026 Common dog endocrine diseases that increase blood lipid levels (such as Cushing’s disease and hypothyroidism) can also predispose dogs to pancreatitis. — The Washington Post, San Diego Union-Tribune, 25 July 2026 Can Benefit Heart Health Lentils are a rich source of nutrients that are essential for heart health, including magnesium and potassium, which help regulate blood pressure, and fiber, which helps maintain healthy blood lipid levels. — Jillian Kubala, Health, 24 July 2026 See All Example Sentences for lipid

Word History

Etymology

International Scientific Vocabulary

First Known Use

1925, in the meaning defined above

Time Traveler
The first known use of lipid was in 1925

Rhymes for lipid

See All Rhymes for lipid

Browse Nearby Words

Liphistiomorphae
lipid
lipidoplast
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Cite this Entry

“Lipid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lipid. Accessed 7 Aug. 2026.

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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
-ˌīd How to pronounce lipid (audio)
: 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

More from Merriam-Webster on lipid

Britannica.com: Encyclopedia article about lipid

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