epidermis [ ep-i- dur-mis ] SHOW IPA / ˌɛp ɪˈdɜr mɪs / PHONETIC RESPELLING noun Anatomy. the outer, nonvascular, nonsensitive layer of the skin, covering the true skin or corium. Zoology. the outermost living layer of an animal, usually composed of one or more layers of cells. Botany. a thin layer of cells forming the outer integument of seed plants and ferns. QUIZZES PRACTICE SOME ESCAPISM WITH THIS WORD OF THE DAY QUIZ!
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Origin of epidermis
1620–30; < Late Latin: surface skin < Greek
upper skin. See
derma 1 OTHER WORDS FROM epidermis ep·i·der·mal, ep·i·der·mic, adjective ep·i·der·mi·cal·ly, adverb Words nearby epidermis epidemiology
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for epidermal British Dictionary definitions for epidermal noun Also called: cuticle the thin protective outer layer of the skin, composed of stratified epithelial tissue the outer layer of cells of an invertebrate the outer protective layer of cells of a plant, which may be thickened by a cuticle Derived forms of epidermis epidermal, epidermic or epidermoid, adjective Word Origin for epidermis
C17: via Late Latin from Greek, from
epi- + derma skin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Medical definitions for epidermal n. The nonvascular outer protective layer of the skin, covering the dermis. Other words from epidermis ep′i•der ( ′mal -məl) null adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for epidermal The protective outer layer of the skin. In invertebrate animals, the epidermis is made up of a single layer of cells. In vertebrates, it is made up of many layers of cells and overlies the dermis. Hair and feathers grow from the epidermis. The outer layer of cells of the stems, roots, and leaves of plants. In most plants, the epidermis is a single layer of cells set close together to protect the plant from water loss, invasion by fungi, and physical damage. The epidermis that is exposed to air is covered with a protective substance called cuticle. See more at photosynthesis.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for epidermal
The outside layers of the
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.