† rosteln.

Origin: A borrowing from Latin. Etymon: Latin rostellum.

Etymology: < post-classical Latin rostellum (see rostellum n.). Compare slightly earlier rostellum n. and perhaps also earlier rostle n. N.E.D. (1909) gives the pronunciation as (rǫ·stĕl) /ˈrɒstəl/.

Botany. Obsolete.

The radicle of a seed; cf. rostellum n. 1.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > embryo or radicle

embryon1640

germen1651

neb1658

radicle1671

embryo1682

embryo plant1692

plantula1698

plantleta1711

germ1721

niba1722

radicula1725

plantule1727

radicule1728

rostellum1760

radicale1763

rostel1783

heartlet1808

corcle1810

proembryo1849

tigelle1860

hypophysis1875

embryoid1963

1783 E. Darwin et al. tr. Syst. Vegetables I. p. xxxvii Rostel, or Beak (rostellum), part of the corcle simple descending.

1793 T. Martyn Lang. Bot. sig. Q8 The Rostel, or descending plane part of the Corcle or heart, in the first vegetation of the seed.

1831 On Planting (Libr. Useful Knowl.) ii. 13 The rostel, or first radicle, which descends into the soil, and becomes the root of the tree.

1876 Encycl. Brit. IV. 266/2 The corcule (which includes the plumule or future stem and the rostel).

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2020).

单词	rostel
释义	† rosteln. Origin: A borrowing from Latin. Etymon: Latin rostellum. Etymology: < post-classical Latin rostellum (see rostellum n.). Compare slightly earlier rostellum n. and perhaps also earlier rostle n. N.E.D. (1909) gives the pronunciation as (rǫ·stĕl) /ˈrɒstəl/. Botany. Obsolete. The radicle of a seed; cf. rostellum n. 1. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > embryo or radicle embryon1640 germen1651 neb1658 radicle1671 embryo1682 embryo plant1692 plantula1698 plantleta1711 germ1721 niba1722 radicula1725 plantule1727 radicule1728 rostellum1760 radicale1763 rostel1783 heartlet1808 corcle1810 proembryo1849 tigelle1860 hypophysis1875 embryoid1963 1783 E. Darwin et al. tr. Syst. Vegetables I. p. xxxvii Rostel, or Beak (rostellum), part of the corcle simple descending. 1793 T. Martyn Lang. Bot. sig. Q8 The Rostel, or descending plane part of the Corcle or heart, in the first vegetation of the seed. 1831 On Planting (Libr. Useful Knowl.) ii. 13 The rostel, or first radicle, which descends into the soil, and becomes the root of the tree. 1876 Encycl. Brit. IV. 266/2 The corcule (which includes the plumule or future stem and the rostel). This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2020). < n.1783
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