| 释义 |
diˈssected, ppl. a.
[f. prec. + -ed1.]
1. That has been cut up, divided into pieces, or anatomized.
dissected map or dissected picture, a map or picture mounted on a thin board and divided into variously shaped parts, to be put together as an exercise or puzzle.
1634Sir T. Herbert Trav. 184 Laying upon each piece of the dissected Betele, a little Arecca. 1638Ibid. (ed. 2) 31 Not to be entred but by a long narrow dissected path or trench. 1667Phil. Trans. II. 628 A dissected Head of a Sharke. 1807Southey Lett. from Eng. vi. 69 They have..dissected maps which they combine into a whole. 1824Col. L. Stanhope Greece 10 She [Greece] is like a dissected map in the hands of children, all the pieces are there, but the children cannot make them fit. 18..Ruskin (O.), Or must every architect invent a little piece of the new style, and all put it together at last like a dissected map?
2. a. Of a divided form or structure; spec. in Bot. (of leaves): Cut into many deep lobes; much divided.
1652Gaule Magastrom. 185 A little chin signes one envious..a dissected and retorted chin, libidinous. 1872Oliver Elem. Bot. ii. 182 The finely-dissected leaves of Fennel. 1884Henfrey Elem. Bot. (ed. 4) 62 When the leaves are subdivided a fourth time, or even where tripinnatisect leaves have filiform segments, the term dissected is usually employed.
b. Physical Geogr. Formed by the dissection of a once flat plateau or plain.
1902W. M. Davis Elem. Physical Geogr. ix. 278 An excellent illustration of a well dissected upland is found in the Ozark plateau of southern Missouri. Ibid., The maturely dissected surface has much less strength of relief than the plateau of West Virginia. 1949W. G. Moore Dict. Geogr. 51 Dissected plateau, a plateau into which a number of valleys have been carved by erosion; its origin as a plateau is patent, however, when the tops of the mountains and ridges are seen to be level against the skyline, showing that they once formed part of a continuous surface. 1965A. Holmes Princ. Physical Geol. (ed. 2) xix. 573 (caption) A maturely dissected plateau of the Gondwana cycle being invaded by the valley flats of the present cycle. |