periderm

noun

peri·derm ˈper-ə-ˌdərm

: an outer layer of tissue

especially : a cortical protective layer of many roots and stems that typically consists of phellem, phellogen, and phelloderm

Etymology

New Latin peridermis, from peri- + -dermis

First Known Use

1849, in the meaning defined above

Time Traveler

The first known use of periderm was in 1849

See more words from the same year

Style

“Periderm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/periderm. Accessed 28 Nov. 2024.

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periderm

noun

peri·derm ˈper-ə-ˌdərm

: the outer layer of the epidermis of the skin especially of the embryo

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