radicle

[rad-i-kuhl]
noun
1.
Botany.
a.
the lower part of the axis of an embryo; the primary root. See diag. under plumule.
b.
a rudimentary root; radicel or rootlet.
2.
Chemistry. (formerly) radical ( def 12 ).
3.
Anatomy. a small rootlike part or structure, as the beginning of a nerve or vein.

Origin:
1665–75; < Latin rādīcula small root, equivalent to rādīc- (stem of rādīx) root1 + -ula -ule

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To RADICLE
Collins
World English Dictionary
radicle (ˈrædɪkəl)
 
n
1.  botany
 a.  part of the embryo of seed-bearing plants that develops into the main root
 b.  a very small root or rootlike part
2.  anatomy any bodily structure resembling a rootlet, esp one of the smallest branches of a vein or nerve
3.  chem a variant spelling of radical
 
[C18: from Latin rādīcula a little root, from rādīx root]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

radicle rad·i·cle (rād'ĭ-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.
Cite This Source
American Heritage
Science Dictionary
radicle   (rād'ĭ-kəl)  Pronunciation Key 
  1. The part of a plant embryo that develops into a root. In most seeds, the radicle is the first structure to emerge on germination.

  2. A small anatomical structure, such as a fibril of a nerve, that resembles a root.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences for RADICLE
It is through one of these that the radicle emerges when the embryo germinates.
Beginning of seed imbibition, bean swollen, whitish, no radicle visible.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;