ruled diffraction grating

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• diffraction grating — Grating Grat ing, n. [See 2d Grate.] 1. A partition, covering, or frame of parallel or cross bars; a latticework resembling a window grate; as, the grating of a prison or convent. [1913 Webster] 2. (Optics) A system of close equidistant parallel… …   The Collaborative International Dictionary of English

• diffraction grating — n. Optics a plate of glass or polished metal ruled with a series of very close, equidistant, parallel lines, used to produce a spectrum by the diffraction of reflected or transmitted light …   English World dictionary

• Diffraction grating — A very large reflecting diffraction grating. In optics, a diffraction grating is an optical component with a periodic structure, which splits and diffracts light into several beams travelling in different directions. The directions of these beams …   Wikipedia

• diffraction grating — Physics. a band of equidistant, parallel lines, usually more than 5000 per inch (2000 per centimeter), ruled on a glass or polished metal surface for diffracting light to produce optical spectra. Also called grating. [1865 70] * * * ▪ optics… …   Universalium

• diffraction grating — A variety of filter composed of lined grooves in a thin layer of aluminum copper alloy on a glass surface; used in spectrophotometers to disperse light into a spectrum. See monochromator. * * * diffraction grating n …   Medical dictionary

• diffraction grating — noun a plate of glass or metal ruled with very close parallel lines, producing a spectrum by diffraction and interference of light …   English new terms dictionary

• diffraction grating — /dəˈfrækʃən ˌgreɪtɪŋ/ (say duh frakshuhn .grayting) noun a band of equidistant parallel lines (from 4000 to 12 000 or more to the centimetre), ruled on a surface of glass or polished metal, used for obtaining optical spectra …  

• Grating — Grat ing, n. [See 2d Grate.] 1. A partition, covering, or frame of parallel or cross bars; a latticework resembling a window grate; as, the grating of a prison or convent. [1913 Webster] 2. (Optics) A system of close equidistant parallel lines or …   The Collaborative International Dictionary of English

• grating — grat·ing grāt iŋ n a system of close equidistant and parallel lines or bars ruled on a polished surface to produce spectra by diffraction called also diffraction grating * * * grat·ing (graґting) a grill or grid, or something resembling such a… …   Medical dictionary

• grating — grating1 adjective 1》 sounding harsh and unpleasant. 2》 causing irritation. Derivatives gratingly adverb grating2 noun 1》 a framework of parallel or crossed bars, typically preventing access through an opening. 2》 (also diffraction grating)… …   English new terms dictionary

• grating — Ⅰ. grating [1] ► ADJECTIVE 1) sounding harsh and unpleasant. 2) irritating. DERIVATIVES gratingly adverb. Ⅱ. grating [2] ► NOUN …   English terms dictionary