| 单词 |
catchment |
| 释义 |
catchment|ˈkætʃmənt|
[f. catch v. + -ment.]
= catching; appropriated to the catching and collection of the rainfall over a natural drainage area, in catchment basin, catchment area (also transf. and fig., as the region from which a hospital's patients, a school's pupils, etc., are drawn).
1847J. Dwyer Hydr. Engineer. 19 A great portion of the catchment basin is very little raised above the level of the lake. 1878Huxley Physiogr. 34 The catchment-basin is a term applied to all that part of a river-basin from which rain is collected, and from which therefore the river is fed. 1881Times 2 Feb., We have..eleven [rivers] with catchment basins exceeding a thousand square miles. 1885Blackw. Mag. Jan. 109/1 A vast catchment-area of encircling rock. 1959Times 28 May 13/7 The catchment area for Leeds [prison] is dense—reputedly four and a half million people. 1960Library Assoc. Record Aug. 261/2 Catchment Area, in library planning denotes the area from which readers may be expected to be drawn to a given library service point. 1961Lancet 12 Aug. 357/2 It [sc. the hospital] has been used for patients of good prognosis from all parts of the Metropolitan area, instead of being more strictly attached to a catchment area. 1962A. Nisbett Technique Sound Studio 248 It [sc. the diaphragm of a microphone] should be..big enough to present a sufficiently large catchment area to the pressure of the sound wave. 1970Daily Tel. (Colour Suppl.) 3 Apr. 21/1 For the children's sake, they are going to buy a house in the catchment area of a modern primary school which has a nursery class. |
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