radicle

[ rad-i-kuh l ]
/ ˈræd ɪ kəl /

noun

Botany.
  1. the lower part of the axis of an embryo; the primary root.
  2. a rudimentary root; radicel or rootlet.
Chemistry. (formerly) radical(def 13).
Anatomy. a small rootlike part or structure, as the beginning of a nerve or vein.

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. 2019

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British Dictionary definitions for radicle

radicle

/ (ˈrædɪkəl) /

noun

botany
  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

Medicine definitions for radicle

radicle

[ rădĭ-kəl ]

n.

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.

Science definitions for radicle

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.