ceramide

World English Dictionary
ceramide (ˈsɛrəˌmaɪd)
 
n
any of a class of biologically important compounds used as moisturizers in skin-care preparations

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American Heritage
Medical Dictionary

ceramide cer·am·ide (sə-rām'īd', sûr'ə-mīd')
n.
Any of a group of amides formed by linking a fatty acid to sphingosine and found in plant and animal tissue.

The American Heritage® Stedman's Medical Dictionary
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