[ proh-tuh-durm ]

  1. a thin outer layer of the meristem in embryos and growing points of roots and stems, which gives rise to the epidermis.

Origin of protoderm

First recorded in 1930–35; proto- + -derm

Words Nearby protoderm Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Scientific definitions for protoderm


[ prōtə-dûrm′ ]

  1. The primary meristem in vascular plants that gives rise to epidermis. Also called dermatogen

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.