| 释义 |
scatterer|ˈskætərə(r)|
[f. scatter v. + -er1.]
1. One who scatters, in the senses of the verb. Also, something which scatters; a device for broadcasting seed.
1535Coverdale Nahum ii. 1 The scaterer shal come vp agaynst the, & laye sege to the castell. 1555Philpot Apol. for Spitting upon Arrian A 8 b, Least you might appeare to be scatterers wt heretiks, rather than gatherers together with Christ. 1616T. Scot Philomythie i. (ed. 2) F 2, There be few scraping fathers, but their children prooue witty scatterers, or foolish retainers. 1738Wesley Hymns, ‘The Sun of Righteousness appears’ i, Adore the Scatterer of your Fears, Your Rising Sun adore! 1868Rep. Iowa State Agric. Soc. 1867 227 The seed is scattered by a vibrating scatterer. 1872Spurgeon Treas. Dav. Ps. lix. 11 He who is the shield of his people is the scatterer of their enemies.
2. Physics. Anything which scatters radiation, particles, or the like.
1930A. B. Wood Textbk. Sound iii. 282 The amplitude of the secondary waves varies directly as the volume of the ‘scatterer’. 1931[see impurity 3 b]. 1936Nature 1 Feb. 185/2 The product of the 140 sec. half-period is enhanced in the case of all scatterers [of neutrons] investigated except carbon and aluminium. 1959Listener 18 June 1057/1 If it [sc. the moon] were behaving as a uniform scatterer of radio waves. 1973Nature 7 Sept. 38/2 The beam [of protons]..is made to strike a scatterer of lead or copper. 1977R. Katz Ziggurat (1978) vi. 59 Beryllium..was an excellent reflector, or ‘neutron scatterer’, because it had an atomic structure more dense than any other element. 1977Sci. Amer. Oct. 90/2 In synthetic-aperture radar the interference pattern from each scatterer on the terrain is recorded..as a narrow broken line parallel to the edge of the data film. |