| 释义 |
defoliation|diːfəʊlɪˈeɪʃən|
[ad. L. type *dēfoliātiōn-em, n. of action f. dēfoliāre: see prec. So in mod.Fr.]
a. Loss or shedding of leaves.
1659H. L'Estrange Alliance Div. Off. 222 At the time of the defoliation, or fall of the leaf. 1791E. Darwin Bot. Gard. ii. 18 note, The defoliation of deciduous trees is announced by the flowering of the Colchicum. 1866Treas. Bot., Defoliation, the casting off of leaves. 1884Nature 9 Oct. 558/2 The observation of the first flowering and fruiting of plants, the foliation and defoliation of trees.
b. The deliberate destruction of foliage (for military purposes).
1964Economist 25 July 345/2 ‘Defoliation’ of the jungle by tactical atomic bombs. 1965Times 25 Mar. 10/1 Mr. Goldwater was demanding the nuclear defoliation of the Vietnamese jungles. |