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, phospholipids, 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.
And because avocado oil can also influence cholesterol absorption, people taking lipid-lowering medications or managing specific metabolic conditions may want to discuss dietary fat choices with their healthcare professional. Daryl Austin, USA Today, 30 Dec. 2025 Powered by the brand’s signature TFC8 complex, which has amino acids, vitamins, and lipids, the formula supports skin renewal and helps improve elasticity over time—key concerns when skin starts to look crepey or lose firmness. Deanna Pai, Glamour, 27 Dec. 2025 Cinnamon Tea Consuming cinnamon may help decrease blood sugar and blood lipid (fat) levels. Jillian Kubala, Health, 26 Dec. 2025 The lipids and bio-oil are then converted into a fuel that fulfils the international quality standards for sustainable aviation fuel using the HEFA (Hydrogenated Esters and Fatty Acids) process at the Technical University of Leoben in Austria. Georgina Jedikovska, Interesting Engineering, 18 Dec. 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 31 Dec. 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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