radicle

Borrowed from Latin rādīcula, from rādīc- (“root”) +‎ -ula (“diminutive”). Doublet of radicula and radicel.

• enPR: rădʹĭk-əl, IPA^(key): /ˈɹædɪkəl/
• Homophone: radical

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radicle (plural radicles)

1. (botany) The rudimentary shoot of a plant which supports the cotyledons in the seed, and from which the root is developed downward; the root of the embryo.
2. (botany) A rootlet.
3. (chemistry) Archaic form of radical.

• radix
• radical
• radiculous

• “radicle”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• Cardiel, decrial, radicel