单词 | reradiate |
释义 | reradiatev. 1. transitive. To radiate again (something that has been absorbed or received). ΘΚΠ the world > matter > physics > electromagnetic radiation > emit [verb (transitive)] > again reradiate1843 the world > matter > physics > electromagnetic radiation > heat > emit in rays [verb (transitive)] > again reradiate1843 the world > matter > physics > atomic physics > particle physics > action of dispersing particles > disperse particles [verb (transitive)] > radiate again reradiate1843 1843 J. F. Daniell Introd. Study Chem. Philos. (ed. 2) viii. 181 The colours of natural objects are compounded of several rays which are transmitted or re-radiated after the absorption or extinction of others. 1853 H. Twining Elem. Picturesque Scenery 4 It is necessary to assume that the rays of light are decomposed, and that certain portions only of them are re-radiated, while others are absorbed. 1913 F. W. Raynes Heating Syst. xv. 184 The arrangement and grouping of the heating surfaces affect the radiant heat transmitted, in that a more or less percentage is rendered ineffective through being simply re-radiated from surface to surface. 1952 Archit. Rev. 111 18/2 Any type of screen will itself be heated by the sunshine falling upon it, and will re-radiate this heat into the building. 2006 S. Ryan Cliffsquickreview Earth Sci. xiv. 106 The land absorbs the sunlight and reradiates it out to the atmosphere, warming it up. 2. intransitive. To be emitted again as radiation; to radiate out again (cf. radiate v. 7). rare before late 20th cent. ΚΠ 1860 J. W. Palmer tr. J. Michelet Woman ii. v. 162 This radiance of beauty which our love imparts to woman reacts upon and re-radiates from us. 1979 Ann. Missouri Bot. Garden 66 308 The Panurginae..probably reached South America early in the Tertiary, and there radiated, various lines eventually returning to and reradiating in the Nearctic region. 1991 Biogeochemistry 14 1 Absorption of infrared energy reradiating from Earth's surface. 3. intransitive. To emit radiation following the absorption of radiated energy. ΘΚΠ the world > matter > physics > electromagnetic radiation > emit [verb (intransitive)] > again reradiate1921 1921 Jrnl. Optical Soc. Amer. 5 104 As a result of the direct illumination from S, T..will reradiate onto S. 1928 Daily Tel. 10 Jan. 16 A short-wave receiver of a sensitive type which will not re-radiate, and so interfere with neighbouring receivers. 1974 Proc. Royal Soc. A. 336 293 A cloud of particles undergoing tidal distortions in reaction to the incident pulse of plane waves and reradiating as a consequence of the changing quadrupole moment. 2002 Nat. Home July–Aug. 72/1 Roads absorb tremendous amounts of solar energy and reradiate for hours afterward. Derivatives ˌreˈradiated adj. ΘΚΠ the world > matter > physics > atomic nucleus > radioactivity > X-rays > [adjective] > radiated again reradiated1855 the world > matter > physics > electromagnetic radiation > [adjective] > renewed reradiated1974 1855 W. A. Miller Elem. Chem. I. v. 210 The refrangibility of the re-radiated heat depends solely upon the temperature of the surface that emits it a second time. 1942 J. D. Stranathan ‘Particles’ of Mod. Physics vi. 255 This re-radiated energy represents the scattered X-rays. 1974 P. K. Harvey & K. J. Bohlman Stereo F.M. Radio Handbk. vii. 155 This reradiated signal is picked up by the dipole. 1993 Astrophysical Jrnl. 410 99 The authors have calculated the thermally reradiated infrared spectra of the compact dust tori which are thought to surround many active galactic nuclei. This entry has been updated (OED Third Edition, March 2010; most recently modified version published online March 2022). < |
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