Definition of radicle in English:

radicle

noun

Botany
  • 1The part of a plant embryo that develops into the primary root.

    • ‘Roots were determined to have protruded when the radicle had split the endosperm at which point it was clearly visible.’
    • ‘Of seeds that produced radicles, epicotyls emerged in 100% of them following 12 wk of cold stratification and subsequent movement to warmer temperatures.’
    • ‘The micropyle is the pore through which the radicle emerges during seed germination.’
    • ‘A caryopsis was considered germinated when the radicle pierced the seed coat, approximately 10 h after the start of imbibition.’
    • ‘Each week, the leaves were lifted, and seeds with an emerged radicle were counted as germinated and removed from the flats.’
    radicle, rhizome, rootstock, tuber, tap root, rootlet
    View synonyms
    1. 1.1Anatomy A rootlike subdivision of a nerve or vein.
      • ‘The parasite radicle then thickens to form a vascular connection - a haustorium - between the parasite and the host.’

Origin

Late 17th century: from Latin radicula, diminutive of radix, radic- root.

Pronunciation:

radicle

/ˈradək(ə)l/