light-distribution photometer

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• photometer — /foh tom i teuhr/, n. Optics. an instrument that measures luminous intensity or brightness, luminous flux, light distribution, color, etc., usually by comparing the light emitted by two sources, one source having certain specified standard… …   Universalium

• photometer — pho•tom•e•ter [[t]foʊˈtɒm ɪ tər[/t]] n. opt an instrument that measures luminous intensity or brightness, luminous flux, light distribution, color, etc., usu. by comparing the light emitted by two sources, one source having certain specified… …   From formal English to slang

• Light — (Roget s Thesaurus) < N PARAG:Light >N GRP: N 1 Sgm: N 1 light light ray beam stream gleam streak pencil Sgm: N 1 sunbeam sunbeam moonbeam Sgm: N 1 aurora aurora GRP: N 2 …   English dictionary for students

• Multiangle light scattering — (MALS) is a technique for determining, independently, the absolute molar mass and the average size of particles in solution, by detecting how they scatter light. Collimated light from a laser source is most often used, in which case the technique …   Wikipedia

• pho|tom|e|ter — «foh TOM uh tuhr», n any one of various instruments for measuring light, such as the intensity of light, light distribution, illumination, or luminous flux: »The photometer is used to measure, simultaneously, the luminosities and diameters of… …   Useful english dictionary

• pho|tom|e|try — «foh TOM uh tree», noun. 1. the branch of physics dealing with measurements of the intensity of light, light distribution, illumination, and luminous flux. 2. the measurement of light, especially with the aid of the photometer …   Useful english dictionary

• Color calibration — The aim of color calibration is to measure and/or adjust the color response of a device (input or output) to a known state. In ICC terms this is the basis for a additional color characterization of the device and later profiling[1]. In non ICC… …   Wikipedia

• Hubble Space Telescope — Infobox Space telescope name = Hubble Space Telescope (HST) caption = The Hubble Space Telescope as seen from Space Shuttle Discovery during its second servicing mission (STS 82) organization = NASAESASTScI alt names = nssdc id =… …   Wikipedia

• undersea exploration — Introduction       the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments       Included in the scope of undersea exploration are the physical and chemical… …   Universalium

• List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …   Wikipedia

• University of Illinois Observatory — Infobox nrhp | name = University of Illinois Astronomical Observatory nrhp type=nhl caption = The observatory at U of I is a National Historic Landmark. locator x = locator y = location = Urbana, Illinois, Champaign County, Illinois, USA nearest… …   Wikipedia