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 The authors of the new paper hypothesize that bacterial cells in lipid membranes may rise to the ocean’s surface, forming a scum similar to seafoam on Earth. Isaac Schultz / Gizmodo, Quartz, 24 Mar. 2024 Ceramides comprise nearly 50% of the lipids in the stratum corneum. Lisa Desantis, Health, 22 Mar. 2024 There were still hurdles — still questions about how to keep DNA changes out of the germline or not ring any maternal immune alarm bells — but now there were new tools to solve those, tools like CRISPR and mass-producible mRNA and lipid nanoparticles. Megan Molteni, STAT, 21 Feb. 2024 Like gravity, lipid oxidation is basically inevitable. Ali Francis, Bon Appétit, 12 Mar. 2024 The skin barrier is composed of lipids (fats), proteins, and other substances that help maintain hydration and prevent harmful substances from getting in. Amanda Gardner, Health, 4 Mar. 2024 This formula is enriched with a blend of lipids, amino acids, antioxidants, rice bran oil, and Pantene-Pro-Vitamin B5 to nourish hair, strengthen strands, and decrease breakage at the ends. Jessie Quinn, Peoplemag, 13 Feb. 2024 Fatty acids are routinely checked during medical examinations, such as blood tests measuring your lipid profile. Eyleen Jorgelina O'Rourke, Discover Magazine, 25 Jan. 2024 Omega-3s help maintain the skin's lipid barrier, keeping it hydrated and supple. Daphne Ewing-Chow, Forbes, 29 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lipid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near lipid

Cite this Entry

“Lipid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lipid. Accessed 22 Apr. 2024.

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

More from Merriam-Webster on lipid

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