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epidermis

noun

  1. outermost single layer of cells in plants. the outer protective layer of cells of a plant, which may be thickened by a cuticle
  2. outermost layers of the skin
L254362 on Wikidata ↗

Wiktionary

Pronunciation: /ˌɛp.ɪˈdɜː.mɪs/ / /ˌɛp.əˈdɝ.mɪs/ / /ˌep.ɪˈdɜː.mɪs/

noun

Etymology: Borrowed from Latin epidermis, from Ancient Greek ἐπιδερμίς (epidermís), ἐπί (epí, “on top of”) + δέρμα (dérma, “skin”). Equivalent to epi- + dermis.

  1. The outer, protective layer of the skin of vertebrates, covering the dermis
  2. The similar outer layer of cells in invertebrates and plants