exodermis

noun
exo·der·mis | \ˌek-sō-ˈdər-məs \

Definition of exodermis 

: a layer of the outer living cortical cells of plants that takes over the functions of the epidermis in roots lacking secondary thickening

First Known Use of exodermis

1889, in the meaning defined above

History and Etymology for exodermis

New Latin

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Dictionary Entries near exodermis

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The first known use of exodermis was in 1889

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