[ rad-i-kuhl ]
/ ˈræd ɪ kəl /
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  1. the lower part of the axis of an embryo; the primary root.
  2. a rudimentary root; radicel or rootlet.
Chemistry. (formerly) radical (def. 14).
Anatomy. a small rootlike part or structure, as the beginning of a nerve or vein.
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Origin of radicle

1665–75; <Latin rādīcula small root, equivalent to rādīc- (stem of rādīx) root1 + -ula-ule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use radicle in a sentence

British Dictionary definitions for radicle

/ (ˈrædɪkəl) /

  1. part of the embryo of seed-bearing plants that develops into the main root
  2. 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
chem a variant spelling of radical (def. 11)

Word Origin for radicle

C18: from Latin rādīcula a little root, from rādīx root
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

Medical definitions for radicle

[ rădĭ-kəl ]

A small structure, such as a fibril of a nerve, that resembles a root.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for radicle

[ rădĭ-kəl ]

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.