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Dictionary

pro•to•derm

Pronunciation: (prō'tu-dûrm"), [key]
—n. Bot.
a thin outer layer of the meristem in embryos and growing points of roots and stems, which gives rise to the epidermis. Also called dermatogen.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

protodeacon

proto-Doric

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