单词 | radicel |
释义 | radiceln. 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). < n.1819 |
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