oil lens
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oil-immersion lens — n an objective lens designed to work with a drop of liquid (as oil or water) between the lens and cover glass called also immersion lens, immersion objective, oil immersion objective … Medical dictionary
oil immersion — noun A technique, used to extend the resolving power of a light microscope, in which a thin film of oil is placed between a special oil immersion objective lens and the specimen • • • Main Entry: ↑oil … Useful english dictionary
Oil immersion — Principle of immersion microscopy. Path of rays with immersion medium (yellow) (left half) and without (right half). Rays (black) coming from the object (red) at a certain angle and going through the coverslip (orange, as the slide at the bottom) … Wikipedia
oil-immersion lens — noun : immersion lens … Useful english dictionary
Contact lens — Contacts redirects here. For the software application, see Address book. A pair of contact lenses, positioned with the concave side facing upward … Wikipedia
Fresnel lens — A Fresnel lens (pronounced [ frɛz.nəl] or [freɪ nɛl] ) is a type of lens invented by French physicist Augustin Jean Fresnel. Originally developed for lighthouses, the design enables the construction of lenses of large aperture and short focal… … Wikipedia
Media Lens — David Edwards and David Cromwell of Media Lens receive the Gandhi Foundation Peace Award, 2007 Media Lens is a British media analysis website established in 2001 by David Cromwell and David Edwards. Regular media alerts are issued with the… … Wikipedia
Intraocular lens — An intraocular lens (IOL) is an implanted lens in the eye, usually replacing the existing crystalline lens because it has been clouded over by a cataract, or as a form of refractive surgery to change the eye s optical power. It usually consists… … Wikipedia
Battle of Lens — Infobox Military Conflict conflict=Battle of Lens partof=the Thirty Years War caption=The Battle of Lens . Contemporary illustration, oil on canvas. date=20 August 1648 place=between Grenay and Liévin, west of Lens, Pas de Calais, France… … Wikipedia
immersion lens — noun or immersion objective : an objective of short focal distance designed to work with a drop of liquid (as oil or water) between front lens and cover glass * * * immersion lens noun A microscope object glass that works with a drop of oil or… … Useful english dictionary
Solar oil — Solar So lar, a. [L. solaris, fr. sol the sun; akin to As. s[=o]l, Icel. s[=o]l, Goth. sauil, Lith. saule, W. haul,. sul, Skr. svar, perhaps to E. sun:F. solaire. Cf. {Parasol}. {Sun}.] 1. Of or pertaining to the sun; proceeding from the sun; as … The Collaborative International Dictionary of English
