lip·​id | \ ˈli-pəd How to pronounce lipid (audio) \
variants: or less commonly lipide \ ˈli-​ˌpīd How to pronounce lipid (audio) \

Definition of lipid

: 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

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Other Words from lipid

lipidic \ li-​ˈpi-​dik How to pronounce lipid (audio) \ adjective

Examples of lipid in a Sentence

Recent Examples on the Web As various studies demonstrate, the practice of oil pulling generates antioxidants that pull the lipid layers of bacterial cell membranes into the oil and block bacterial growth and plaque formation. Meggen Taylor, Forbes, "The Founder Of Luxury Ayurvedic Skin And Wellness Brand, UMA Oils, Shares Her Top Five Tips For Boosting Immunity," 1 Mar. 2021 The study found the benefits of drinking coconut water comparable to the effects of statins, a popular class of lipid-lowering medications. Sakshi Udavant,, "What are the benefits of coconut water?," 21 Mar. 2021 The Pfizer-BioNTech and Moderna vaccines use lipid nanoparticles to transport mRNA to instruct our cells to make the SARS-CoV-2 spike protein, while the AstraZeneca and Johnson & Johnson vaccines use DNA to accomplish a similar feat. Katherine Ellen Foley, Quartz, "When we’ll know if Covid-19 vaccines stop transmission, once and for all," 12 Mar. 2021 The company last year bought a U.S. lipid manufacturer in Alabama. Rachana Pradhan, Fortune, "With billions spent and ‘wartime’ declared, why are vaccines still in short supply?," 23 Feb. 2021 These cores can be carried into a cell sheathed in a tiny lipid droplet or a harmless chimpanzee virus. Marla Broadfoot, Scientific American, "Is It Safe to Delay a Second COVID Vaccine Dose?," 10 Feb. 2021 Oil-soluble ingredients can penetrate the lipid layers between skin cells more deeply. Bre Richey,, "Sustainable skincare products you should try for breakouts," 20 Feb. 2021 Then there’s the lipid nanoparticles, which are essentially extremely specialized globs of fat, that are vital to carrying the mRNA into your body. Popular Science, "Ramping up COVID-19 vaccine production is harder than it seems," 19 Feb. 2021 The pumps help supply the lipid nanoparticles that hold and protect the mRNA — the vaccines’ active ingredient, so to speak — and also fill vials with finished vaccine. Isaac Arnsdorf, ProPublica, "Why We Can’t Make Vaccine Doses Any Faster," 19 Feb. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lipid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of lipid

1912, in the meaning defined above

History and Etymology for lipid

International Scientific Vocabulary

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Statistics for lipid

Last Updated

18 Apr 2021

Cite this Entry

“Lipid.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2021.

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More Definitions for lipid



English Language Learners Definition of lipid

technical : any one of various substances that contain fat and that are important parts of living cells


lip·​id | \ ˈlip-əd How to pronounce lipid (audio) \
variants: also lipide \ -​ˌīd How to pronounce lipid (audio) \

Medical Definition of lipid

: 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 English: Translation of lipid for Arabic Speakers Encyclopedia article about lipid

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