Optics. A transparent object in the form of a geometrical prism; esp. a right prism whose ends are identical acute-angled triangles, used for…
单词 | θ64865 |
释义 | the world > physical sensation > sight and vision > optical instruments > instruments to refract, etc., light > [noun] > prism (7) prism1612 Optics. A transparent object in the form of a geometrical prism; esp. a right prism whose ends are identical acute-angled triangles, used for… Nicol prism1838 In full Nicol prism (also Nicol's prism). A device for producing plane-polarized light, consisting of two pieces of optically clear calcite or… Foucault prism1882 Used attributively and in the possessive to designate experiments or discoveries made by Foucault, or apparatus designed by him. Foucault current n.… biprism1884 A glass prism with a refracting angle of nearly 180 degrees, used in observing the interference of light. Fresnel biprism1890 Used attributively and in the possessive to designate apparatus, phenomena, and concepts relating to his work in optics, as Fresnel biprism = biprism… Porro prism1909 A reflecting prism in which light enters through the hypotenuse and is reflected successively at each of the other two faces, used in optical… pentaprism1937 A prism whose cross-section is a pentagon including one right angle, so that with silvered reflecting surfaces any ray entering the prism through… |
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