ceramide
noun
cer·amide
ˈsir-ə-ˌmīd 
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
L. StivitzMoisturizers 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
Constance CardozoExamples of ceramide in a Sentence
Recent Examples on the Web
It’s also enriched with hydrating hyaluronic acid, glycerin, and ceramides to nourish skin and leave it slightly more radiant with every swipe.
—Jenny Berg, Allure, 24 May 2025
Valentino’s formula is designed to give you a subtle plumping effect and help your lips retain moisture with key ingredients like hyaluronic acid and ceramides.
—Essence, 20 May 2025
Original price: $21.99 CeraVe Skin Renewing Night Cream features a complex of biomimetic peptides, hyaluronic acid, and three essential ceramides that work together to lock in skin's moisture and help restore your skin's protective barrier overnight.
—Nora Colomer
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 2 May 2025
Hyaluronic acid, ceramides and vitamin E provide major moisture.
—Celia Shatzman, Forbes.com, 29 Apr. 2025
See All Example Sentences for ceramide
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Jenny Berg, Allure, 24 May 2025
Valentino’s formula is designed to give you a subtle plumping effect and help your lips retain moisture with key ingredients like hyaluronic acid and ceramides.
—Essence, 20 May 2025
Original price: $21.99 CeraVe Skin Renewing Night Cream features a complex of biomimetic peptides, hyaluronic acid, and three essential ceramides that work together to lock in skin's moisture and help restore your skin's protective barrier overnight.
—Nora Colomer
May Earn A Commission If You Buy Through Our Referral Links. This Content Was Created By A Team That Works Independently From The Fox Newsroom., FOXNews.com, 2 May 2025
Hyaluronic acid, ceramides and vitamin E provide major moisture.
—Celia Shatzman, Forbes.com, 29 Apr. 2025
See All Example Sentences for ceramide
Cite this Entry
“Ceramide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ceramide. Accessed 9 Jun. 2025.
Copy CitationMedical Definition
ceramide
noun
cer·amide
ˈsir-ə-ˌmīd
: 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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