| 释义 |
rostel Bot.|ˈrɒstəl|
[Anglicized f. rostellum.]
The radicle of a seed.
1793Martyn Lang. Bot. s.v. Rostellum, The Rostel, or descending plane part of the Corcle or heart, in the first vegetation of the seed. 1832Planting 13 in Husb. III. (L.U.K.), The rostel, or first radicle, which descends into the soil, and becomes the root of the tree. 1876Encycl. Brit. IV. 266/2 The corcule (which includes the plumule or future stem and the rostel). |