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to grind a lens

См. также в других словарях:

  • lens — n. 1) to grind a lens 2) a concave; convex; crystalline; telephoto. telescopic lens 3) contact; corrective lenses * * * [lenz] convex corrective lenses crystalline telephoto telescopic lens a concave contact to grind a lens …   Combinatory dictionary

  • grind — [c]/graɪnd / (say gruynd) verb (ground or, Rare, grinded, grinding) –verb (t) 1. to wear, smooth, or sharpen by friction; whet: to grind a lens; to grind an axe. 2. to reduce to fine particles as by pounding or crushing; bray, triturate, or… …  

  • grind — grindable, adj. grindability, n. grindingly, adv. /gruynd/, v., ground or (Rare) grinded; grinding; n. v.t. 1. to wear, smooth, or sharpen by abrasion or friction; whet: to grind a lens. 2. to reduce to fine particles, as by pounding or crushing; …   Universalium

  • grind — [[t]graɪnd[/t]] v. ground, grind•ing, n. 1) to wear, smooth, or sharpen by abrasion or friction; whet: to grind a lens[/ex] 2) to reduce to fine particles, as by pounding or crushing; pulverize 3) to oppress, torment, or crush: ground by… …   From formal English to slang

  • August Müller — (1864 ndash; 1949), born in Mönchengladbach, was a medical student at the University of Kiel, Germany, and a pioneer in the manufacture of contact lenses. In 1889, he presented at the university his doctoral thesis titled Eyeglasses and corneal… …   Wikipedia

  • Science of photography — refers to the use of science, such as chemistry and physics, in all aspects of photography. This applies to the camera, its lenses, physical operation of the camera, electronic camera internals, and the process of developing film in order to take …   Wikipedia

  • printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …   Universalium

  • Astigmatism — An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. If an optical system with astigmatism is used to form an image of a cross, the vertical and horizontal lines will be in sharp… …   Wikipedia

  • Reflecting telescope — 24 inch convertible Newtonian/Cassegrain reflecting telescope on display at the Franklin Institute. A reflecting telescope (also called a reflector) is an optical telescope which uses a single or combination of curved mirrors that reflect light… …   Wikipedia

  • literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …   Universalium

  • Inventions in medieval Islam — A significant number of inventions were developed in the medieval Islamic world, a geopolitical region that has at various times extended from Al Andalus and Africa in the west to the Indian subcontinent and Malay Archipelago in the east.… …   Wikipedia

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