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exodermis

[ ek-suh-dur-mis ]

noun

, Botany.
  1. a temporary, protective layer of cells in some roots, as in certain orchids.


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Other Words From

  • exo·dermal adjective

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Word History and Origins

Origin of exodermis1

First recorded in 1895–1900; exo- + -dermis

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Example Sentences

These layers of thick-walled cells constitute the exodermis.

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