| 释义 |
▪ I. reˈtarding, vbl. n.
[f. as prec. + -ing1.]
The action of retard v. in various senses.
1585T. Washington tr. Nicholay's Voy. i. xix. 22 This..put the Ambassador in..perplexity..because of the retarding of his voiage. a1631Donne Select. (1840) 21 It is not a cropping, a pilling, a retarding of the growth of the vine that is threatened. 1695J. Edwards Perfect. Script. 359 The retarding of the work under..the kings of Persia. 1784Phil. Trans. LXXV. 140, I fixed therefore the retarding of the clock 1′ 35{pp}.
▪ II. reˈtarding, ppl. a.
[f. as prec. + -ing2.]
That retards; that tends to delay or check. retarding field, retarding potential.
1798Hutton Course Math. (1807) II. 247 The resisting force r, and..the retarding force f. 1822–34Good's Study Med. (ed. 4) I. 609 The Retarding Quotidian..forms a direct counterpart to the anticipating. 1853Kane Grinnell Exp. xxxi. (1856) 273 The host of retarding influences that belong to a Polar night. 1865M. Arnold Ess. Crit. i. 21 A self-satisfaction which is retarding and vulgarising. 1898Sloane Stand. Elect. Dict. 618 Retarding Disc, a disc used in Thomson's electric meter for retarding the revolutions of the motor shaft. 1947F. G. Spreadbury Electronics xviii. 591 In order that no current shall flow it is..necessary to apply a retarding potential, i.e. the anode must be negative with respect to the cathode. 1950Jrnl. Physical Soc. Japan V. 339/1 The assumption that electrons could enter the retarding field (grid-plate space) only a single time. 1953Ibid. VIII. 182 The plate-current distribution in a retarding-field tube of concentric structure. 1963B. Fozard Instrumentation Nucl. Reactors xi. 138 Such a circuit is provided by a thermionic diode working under what are known as retarding field conditions.
Hence reˈtardingly adv.
1881Academy 3 Sept. 174/1 M. Stapfer, at times diffuse, is nowhere retardingly dense. |