Definition of radicle in English:
 radicle
noun ˈradɪk(ə)lˈrædək(ə)l
Botany 1The part of a plant embryo that develops into the primary root.
 Example sentencesExamples
-  Roots were determined to have protruded when the radicle had split the endosperm at which point it was clearly visible.
 -  Each week, the leaves were lifted, and seeds with an emerged radicle were counted as germinated and removed from the flats.
 -  The micropyle is the pore through which the radicle emerges during seed germination.
 -  Of seeds that produced radicles, epicotyls emerged in 100% of them following 12 wk of cold stratification and subsequent movement to warmer temperatures.
 -  A caryopsis was considered germinated when the radicle pierced the seed coat, approximately 10 h after the start of imbibition.
 
 Synonyms
rhizome, rootstock, tuber, tap root, rootlet
- 1.1Anatomy  A rootlike subdivision of a nerve or vein.
 Example sentencesExamples
-  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'.