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View synonyms for radicle

radicle

[ rad-i-kuhl ]

noun

  1. Botany.
    1. the lower part of the axis of an embryo; the primary root.
    2. a rudimentary root; radicel or rootlet.
  2. Chemistry. (formerly) radical ( def 15 ).
  3. Anatomy. a small rootlike part or structure, as the beginning of a nerve or vein.


radicle

/ ˈrædɪkəl /

noun

  1. botany
    1. part of the embryo of seed-bearing plants that develops into the main root
    2. 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
“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


radicle

/ rădĭ-kəl /

  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.


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Word History and Origins

Origin of radicle1

1665–75; < Latin rādīcula small root, equivalent to rādīc- (stem of rādīx ) root 1 + -ula -ule
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Word History and Origins

Origin of radicle1

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

Two days later, plasma-treated seeds showed larger radicles, or starter roots.

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.

Also imagine one atom of oxygen with its two hooks outstretched like two arms, and just link one radicle on to each.

If we use the methyl radicle we get methyl alcohol: if we use the ethyl radicle we get ethyl alcohol.

The form and relative position of the radicle and cotyledons serve to distinguish certain groups of plants.

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radicesradicular