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1. The outer, protective, nonvascular layer of the skin of vertebrates, covering the dermis.
2. An integument or outer layer of various invertebrates.
3. The outermost layer of cells covering the leaves and young parts of a plant.

[Late Latin, from Greek : epi-, epi- + derma, skin; see der- in Indo-European roots.]

ep′i·der′mal (-məl), ep′i·der′mic adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Adj.1.epidermal - of or relating to a cuticle or cuticula
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Allergens and positive/negative controls were applied to the volar surface of arm epidermally with commercially available prick test solutions (Allergopharma GmbH & CO KG, Reinbek, Germany).
Those groups marked epidermally by blackness were viewed as a deviation from this normativity--which was never quite severed from its deific stature--and were rationalized as unnatural, which consequently necessitated its extinguishment.
The technique focuses heat epidermally, but significant heat is lost subcutaneously [13].