释义 |
circumnutate, v. Bot.|sɜːkəmˈnjuːteɪt| [f. (by Darwin 1880) from circum- 1 + nutate: see next.] intr. To bend or lean in a direction which is continually revolving or rotating in a horizontal path: said of the growing parts of plants. Hence circumnutating ppl. a. and vbl. n.
1880Darwin Movem. Pl. 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. 1881Sat. Rev. LI. 57 The stems of seedlings..circumnutate to the extent allowed by the pressure of the earth. |