the lower part of the axis of an embryo; the primary root.
a rudimentary root; radicel or rootlet.
Chemistry. (formerly) radical (def. 15).
Anatomy. a small rootlike part or structure, as the beginning of a nerve or vein.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use radicle in a sentence
Two days later, plasma-treated seeds showed larger radicles, or starter roots.Cold plasma could transform the sustainable farms of the future | Stephen Ornes | September 8, 2021 | Science News
And, lastly, that at the apex of the nucleus the radicle of the future Embryo would constantly be found.
An uncharged SO4 radicle would react with the water present, and sulphuric acid would be formed and oxygen liberated.The New Gresham Encyclopedia | Various
Also imagine one atom of oxygen with its two hooks outstretched like two arms, and just link one radicle on to each.The Romance of War Inventions | Thomas W. Corbin
If we use the methyl radicle we get methyl alcohol: if we use the ethyl radicle we get ethyl alcohol.The Romance of War Inventions | Thomas W. Corbin
The form and relative position of the radicle and cotyledons serve to distinguish certain groups of plants.An Elementary Text-book of the Microscope | John William Griffith
British Dictionary definitions for radicle
part of the embryo of seed-bearing plants that develops into the main root
a very small root or rootlike part
anatomy any bodily structure resembling a rootlet, esp one of the smallest branches of a vein or nerve
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 radicle
The part of a plant embryo that develops into a root. In most seeds, the radicle is the first structure to emerge on germination.
A small anatomical structure, such as a fibril of a nerve, that resembles a root.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.