| 单词 |
polarizing |
| 释义 |
▪ I. ˈpolarizing, vbl. n.
[f. as prec. + -ing1.]
The action of the vb. polarize, in various senses. Also attrib. as in polarizing angle (Optics), that angle of incidence (differing for different substances) at which the maximum polarization of the incident light takes place.
1812Brewster (19 Dec.) in Phil. Trans. (1813) 105 The explanation which has now been given of the polarising power of the agate should be confirmed. 1829Nat. Philos. I. Polaris. Light ii. 9 (U.K.S.) Placed at an angle of 52° 45′, the polarising angle for water. 1837Brewster Magnet. 193 Mr. Barlow concludes that every place has its particular polarizing axis.
fig.1901Dundee Advertiser 16 Jan. 4 The newspaper..renders possible the polarising of millions of men with one great idea.
▪ II. ˈpolarizing, ppl. a.
[f. as prec. + -ing2.]
That polarizes or produces polarization.
1. Optics. (See polarize 1.)
1813Brewster in Phil. Trans. (1814) 23 Dec. 207 When we examine the transmitted light, either with the naked eye or with polarising crystals, no coloured fringes are visible. 1816― in Edin. Phil. Trans. VIII. 353 On the Laws which regulate the Distribution of the Polarising Force in Plates, Tubes, and Cylinders of Glass, that have received the Polarising Structure. 1869T. L. Phipson tr. Guillemin's Sun (1870) 89 Polarising helioscopes have been manufactured..and have realised the ideas of the illustrious English astronomer. 1890Athenæum 29 Mar. 407/3 The method of evaluating the absorption of different thicknesses by comparison with a polarizing photometer.
2. Magn. and Electr. (See polarize 3.)
1866R. M. Ferguson Electr. (1870) 131 Instead of one polarizing force there are several, all acting in the same direction. 1879G. B. Prescott Sp. Telephone 32 One of these—the polarizing helix—is somewhat longer than the other. |
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