单词 | circumnutate |
释义 | circumnutatev. Botany. intransitive. To bend or lean in a direction which is continually revolving or rotating in a horizontal path: said of the growing parts of plants. ΘΚΠ the world > plants > part of plant > growth, movement, or curvature of parts > grow, move, or curve [verb (intransitive)] > undergo nutation nutate1880 circumnutate1881 1881 Sat. Rev. 51 57 The stems of seedlings..circumnutate to the extent allowed by the pressure of the earth. Derivatives circumnutating adj. and n. ΘΚΠ the world > plants > part of plant > growth, movement, or curvature of parts > [adjective] > turned, twisted, or nutating tort1765 resupinate1776 introrsal1831 introrse1842 sinistrorse?1850 torsive1866 circumnutating1880 circumnutatory1880 nutating1881 1880 C. Darwin & F. Darwin Power of Movement in Plants 1 If we observe a circumnutating stem, which happens at the time to be bent, we will say towards the north, it will be found gradually to bend more and more easterly, until it faces the east; and so onwards to the south, then to the west, and back again to the north. This entry has not yet been fully updated (first published 1889; most recently modified version published online September 2018). < v.1880 |
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