[ ep-i-dur-mis ]
/ ˌɛp ɪˈdɜr mɪs /
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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.
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OTHER WORDS FROM epidermisep·i·der·mal, ep·i·der·mic, adjectiveep·i·der·mi·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use epidermis in a sentence
The different species have characteristic tubes, formed by mucus secreted by epidermal glands.The Sea-beach at Ebb-tide|Augusta Foote Arnold
The epidermal cells are almost oblong, while the parenchymatous cells are large, irregular and contain large quantities of tannin.All About Coffee|William H. Ukers
As the disease spreads the oldest part becomes dry and heals, the new epidermal covering being thin and atrophic in appearance.Essentials of Diseases of the Skin|Henry Weightman Stelwagon
When a wound is made certain layers of epidermal cells undergo rapid cell division.The Organism as a Whole|Jacques Loeb
This epidermal irruption of the corium takes place at definite points right round the foot.Diseases of the Horse's Foot|Harry Caulton Reeks
British Dictionary definitions for epidermis
/ (ˌɛpɪˈdɜːmɪs) /
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 epidermisepidermal, 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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for epidermis
[ ĕp′ĭ-dûr′mĭs ]
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 epidermis
[ (ep-uh-dur-mis) ]
The outside layers of the skin.
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.