| 单词 | prism |
| 释义 | prism 1(in mathematics) A polyhedron with two parallel congruent polygons as bases and parallelograms for all other faces. A triangular prism has triangular bases. 2(in optics) A block of glass or other transparent material, usually having triangular bases. Prisms have several uses in optical systems: they can be used to deviate a ray, to disperse white light into the visible spectrum, or to erect an inverted image (see binoculars). Prisms of other materials are used for different kinds of radiation. See also Nicol prism; Wollaston prism. |
| 随便看 |
|
物理辞典收录了3346条物理词条，基本涵盖了常用物理知识及物理英语单词词组的翻译及用法，是物理学习的有利工具。