[ fel-uh-durm ]
/ ˈfɛl əˌdɜrm /

noun Botany.

a layer of parenchyma produced inwardly by the cork cambium; an inner secondary cortex of the cork cambium.

Related forms

phel·lo·der·mal, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for phelloderm


/ (ˈfɛləʊˌdɜːm) /


a layer of thin-walled cells produced by the inner surface of the cork cambium

Derived Forms

phellodermal, adjective

Word Origin for phelloderm

C19: from Greek phellos cork + -derm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for phelloderm


[ fĕlə-dûrm′ ]

The layer of tissue, often very thin, produced on the inside of the cork cambium in woody plants. It forms a secondary cortex. See more at cork cambium.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.