pro·cam·bi·um
(prō-kăm′bē-əm)n. The primary meristem that gives rise to vascular tissue.
pro·cam′bi·al (-əl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
procambium
(prəʊˈkæmbɪəm) n,
pl -bia (
-bɪə)
(Botany) undifferentiated plant tissue, just behind the growing tip in stems and roots, that develops into conducting tissues
[C19: from pro-2 + cambium]
proˈcambial adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pro•cam•bi•um
(proʊˈkæm bi əm)
n. the meristem from which vascular bundles are developed.
[1870–75; < New Latin]
pro•cam′bi•al, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.