[ root-kap, root- ]
/ ˈrutˌkæp, ˈrʊt- /
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the loose mass of epidermal cells covering the apex of most roots, serving to protect the meristematic cells behind it.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use rootcap in a sentence
These forming roots might also be marked very early, and so be shown to carry onward their root-cap on the growing-point.
The extreme tip consists of a sort of cap of hard tissue, called the root-cap.
In these the gradual formation of the root-cap could be watched throughout, with merely a small lens.
This is evidently an adaptation which protects the young and actively growing cells just under the root cap.A Civic Biology|George William Hunter
British Dictionary definitions for rootcap
a hollow cone of loosely arranged cells that covers the growing tip of a root and protects it during its passage through the soil
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
Scientific definitions for rootcap
A thimble-shaped mass of cells that covers and protects the root tip of plants. Also called calyptra
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.