Definition of epidermis
1a : the outer epithelial layer of the external integument of the animal body that is derived from the embryonic epiblast; specifically : the outer nonsensitive and nonvascular layer of the skin of a vertebrate that overlies the dermisb : any of various animal integuments
2 : a thin surface layer of tissue in higher plants formed by growth of a primary meristem
Recent Examples of epidermis from the Web
First salicylic acid, which is oil soluble, penetrates the oily surface that coats the skin—a.k.a the epidermis.
Natural moisturizing factor is a naturally occurring substance primarily made of up amino acids and is typically located in the stratum corneum, which is the topmost layer of the epidermis.
Plus, the layers of dermis and epidermis underneath interlock with each other, which provides more points of contact.
At the moment, L'Oreal uses its epidermis samples to predict as closely as possible how human skin will react to the ingredients in its products.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'epidermis'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Did You Know?
Epidermis includes the Greek prefix epi-, meaning "outer;" thus, the epidermis overlies the dermis, or inner layer of skin. The epidermis itself consists of four or five layers; the outermost layer is made of dead cells, which are being shed continuously. The epidermis acts as a physical barrier—a protective wrap over the body's surface, which, by preventing water loss, allows vertebrates to live on land.
EPIDERMIS Defined for English Language Learners
Definition of epidermis for English Language Learners
medical : the outer layer of skin
EPIDERMIS Defined for Kids
Definition of epidermis for Students
1 : a thin outer layer of skin covering the dermis
2 : any of various thin outer layers of plants or animals
Medical Definition of epidermis
1: the outer epithelial layer of the external integument of the animal body that is derived from the embryonic epiblast; specifically : the outer nonsensitive and nonvascular layer of the skin of a vertebrate that overlies the dermis
2: any of various animal integuments
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