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

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.
Therapists begin facials with face-scanning wands and other probes, to measure your lipid shield, pigmentation, hydration and elasticity, and then cater their approach to the precise needs of your skin in that moment. — Condé Nast, Condé Nast Traveler, 6 Oct. 2026 Aestura’s Atobarrier 365 Cream is made for dry, sensitive skin from face to body, with micro triple-lipid capsules containing ceramides, cholesterol, and fatty acids that quickly absorb into the skin to replenish moisture and support the barrier. — Christa Joanna Lee, Allure, 6 Oct. 2026 Some research also suggests that eating avocado regularly can help improve blood lipid levels, sleep, and blood pressure. — Stephanie Brown, Verywell Health, 2 Oct. 2026 According to the Cleveland Clinic, the barrier is the outer, dead-cell layer of skin made up of corneocytes, lipids, proteins and fats that keep water in and irritants out. — Hanna Wickes, Sacbee.com, 17 Sep. 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

Cite this Entry

“Lipid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lipid. Accessed 9 Oct. 2026.

Kids Definition

: any of various substances (as fats and waxes) that with proteins and carbohydrates make up the principal structural parts of living cells

Medical Definition

: 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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!