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.

Nearby words

  1. radicand,
  2. radicant,
  3. radicchio,
  4. radicel,
  5. radices,
  6. radicotomy,
  7. radicula,
  8. radiculalgia,
  9. radicular,
  10. radicular cyst

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

Examples from the Web for radicle


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

Word Origin and History for radicle

radicle

n.

1670s, in botany, from Latin radicula, diminutive of radix (see radish).

Online Etymology Dictionary, © 2010 Douglas Harper

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.