Botany. the cork-producing tissue of stems together with the cork layers and other tissues derived from it.
Embryology, epitrichium.

1830–40; < Neo-Latin peridermis. See peri-, -derm

peridermal, peridermic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To periderm
World English Dictionary
periderm (ˈpɛrɪˌdɜːm)
the outer corky protective layer of woody stems and roots, consisting of cork cambium, phelloderm and cork
[C19: from New Latin peridermis]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

periderm per·i·derm (pěr'ĭ-dûrm') or per·i·der·ma (pěr'ĭ-dûr'mə)
The outermost layer of the epidermis of an embryo or a fetus up to the sixth month of gestation. Also called epitrichium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
periderm   (pěr'ĭ-dûrm')  Pronunciation Key 
The outer, protective layers of tissue of woody roots and stems, consisting of the cork cambium and the tissues produced by it. See more at cork cambium.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
In doing so, compare and contrast periderm and epidermis and xylem and phloem.
Composition and structure of anthocyanins in the periderm and flesh of sweet potatoes.
Related Words
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature