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单词 radicule
释义

radiculen.

Brit. /ˈradᵻkjuːl/, U.S. /ˈrædəˌkjul/
Origin: Apparently a borrowing from French. Etymon: French radicule.
Etymology: Apparently < French radicule (1676) < classical Latin rādīcula little root, rootlet (see radicula n.); compare -cule suffix. Compare radicula n. and earlier radicle n. 1.
Botany. Now rare.
= radicle n. 1a.
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
1728 R. Bradley Dict. Botanicum at Semen The whole Seed looking not much unlike a Pidgeon's Head, the Radicule resembling the Bill.
1836 J. C. Loudon Encycl. Plants (rev. ed.) 1104/1 Radicule, that end of the embryo which is opposite to the cotyledons.
1883 Knowledge 20 July 43/2 In five or six days the radicules will appear.
1997 Botanica Acta 110 1 Application of GA-3 to the flowers..impaired the development of the radicule.

Derivatives

radiculode n. [after French radiculode (1822 in the passage translated in quot. 1831)] Botany Obsolete rare (in the terminology of A. Richard) the radicle of the embryo of a grass.
ΚΠ
1831 W. Macgillivray tr. A. Richard Elem. Bot. 295 The inferior extremity of the blastus..bears the name of radiculode.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1728
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更新时间:2024/11/10 14:11:20