| 单词 | axis of double refraction |
| 释义 | > as lemmasaxis of double refraction b. axis of incidence: the line passing through the point of incidence perpendicularly to the refracting surface. axis of refraction: the continuation of the same line through the refracting medium. axis of double refraction: the line or direction on both sides of which double refraction takes place, but along which it does not exist. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > refraction > [noun] > double refraction > axis of axis of double refraction1831 1734 Builder's Dict. Axis of Incidence, Refraction. 1796 in C. Hutton Math. & Philos. Dict. I. 178. 1831 D. Brewster Treat. Optics xvii. 147 An axis of double refraction..is not like the axis of the earth, a fixed line within the rhomb or crystal. It is only a fixed direction. 1836 Athenæum No. 448. 381 Like calcareous spar it has one axis of double refraction. < as lemmas |
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