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单词 radicel
释义

radiceln.

Brit. /ˈradɪsɛl/, U.S. /ˈrædəˌsɛl/
Origin: A borrowing from French. Etymon: French radicelle.
Etymology: < French radicelle rootlet (1815) < classical Latin rādīc- , rādīx radix n. + French -elle -elle suffix.
Chiefly Botany. Now rare.
A fine or fibrous root; a secondary or adventitious root, a rootlet.
ΘΚΠ
the world > plants > part of plant > root > [noun] > rootlet, fibre, or subsidiary root
string1398
by-root1578
fillet1601
taw1615
tapon1641
fibre1656
fang1664
fibril1664
rootlinga1706
lateral root1724
rootlet1783
radicle1793
radicel1819
viver1877
branch-root1884
sprangle1896
thong1927
1819 J. Lindley tr. L.-C. Richard Observ. Struct. Fruits & Seeds 68 A slight rim round the base of the radicel.
1899 Trans. Amer. Microsc. Soc. 1898 20 128 The point of origin of the radicel is determined by the disposition of xylem strands within the root.
1908 M. E. Hard Mushroom xii. 492 The stem is..furnished at the base with reddish radicels.
1944 S. Putnam tr. E. da Cunha Rebellion in Backlands i. 31 Their principal roots are atrophied..and in their place is a wide expanse of secondary radicels, clustered in sap-swollen tubercles.
2002 Plant Sci. 163 2/2 Heat-exposed seedlings and untreated controls were removed from their radicels and inserted into glass capillaries.

Derivatives

radiˈcellar adj. [after French radicellaire (1808 in the passage translated in quot. 1819)] Botany rare of or relating to a radicel.
ΘΚΠ
the world > plants > part of plant > root > [adjective] > of or belonging to root
tuberous1668
stemmy1728
radical1753
radicous?1764
radicellar1819
rhizoid1859
rhizomatic1864
rhizomic1898
rooty1905
stocky1915
1819 J. Lindley tr. L.-C. Richard Observ. Struct. Fruits & Seeds 61 A lateral protuberance of the cauliculus, enclosing one or more radicellar tubercles.
1831 W. Macgillivray tr. A. Richard Elem. Bot. 295 Through which one or more radicellar tubercles are to issue.
1900 Bot. Gaz. 29 74 There is but one type of radicellar formation in dicots.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1819
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