ceramide

noun

cer·​amide ˈsir-ə-ˌmīd How to pronounce ceramide (audio)
ˈser-
plural ceramides
: any of various simple sphingolipids that are composed of a fatty acid linked to sphingosine, are found especially in cell membranes, are involved in mediating various cellular processes (such as those affecting cell differentiation and apoptosis), and act as precursors for more complex sphingolipids
The enzyme controls production of a cellular substance, ceramide, which triggers the natural process of egg cell death.L. Stivitz
Moisturizers containing ceramides (natural lipids that are similar in structure to those in the skin's own moisture barrier) … are also worthwhile splurges for women with dry or problem skin, according to independent tester Grove.Constance Cardozo

Examples of ceramide in a Sentence

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Others may find that certain face creams, especially those formulated with hyaluronic acid or ceramides, provide lasting hydration without a heavy feel. Sandra Rose Salathe, Flow Space, 30 Oct. 2024 Products with ingredients like hyaluronic acid, glycerin, and ceramides are essential for locking in moisture and restoring that crucial skin barrier. Kelsey Eisen, Allure, 28 Oct. 2024 Key Ingredients: Mango butter, ceramides, hyaluronic acid Size: 0.5 oz. Emily Orofino, Vogue, 21 Oct. 2024 That's all thanks to the addition of ceramides in the formula, which act like glue inbetween skin cells, keeping it healthy and happy. Karina Hoshikawa, refinery29.com, 11 Oct. 2024 See all Example Sentences for ceramide 

Word History

Etymology

cerebroside + amide

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of ceramide was in 1958

Dictionary Entries Near ceramide

Cite this Entry

“Ceramide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ceramide. Accessed 23 Nov. 2024.

Medical Definition

ceramide

noun
cer·​amide ˈsir-ə-ˌmīd How to pronounce ceramide (audio)
: any of a group of amido sphingolipids formed by linking a fatty acid to sphingosine and found widely in small amounts in plant and animal tissue

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