brightness

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• Brightness — is an attribute of visual perception in which a source appears to emit or reflect a given amount of light. In other words, brightness is the perception elicited by the luminance of a visual target. This is a subjective attribute/property of an… …   Wikipedia

• Brightness — Bright ness, n. [AS. beorhines. See {Bright}.] 1. The quality or state of being bright; splendor; luster; brilliancy; clearness. [1913 Webster] A sudden brightness in his face appear. Crabbe. [1913 Webster] 2. Acuteness (of the faculties);… …   The Collaborative International Dictionary of English

• brightness — O.E. beorhtnes brightness, clearness, splendor, beauty; see BRIGHT (Cf. bright) + NESS (Cf. ness) …   Etymology dictionary

• brightness — index sense (intelligence) Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

• Brightness —   [engl.], Helligkeit …   Universal-Lexikon

• brightness — [brīt′nis] n. 1. the quality or condition of being bright 2. the luminous aspect of a color (as distinct from its hue) by which it is regarded as approaching the maximum luminance of pure white or the lack of luminance of pure black …   English World dictionary

• brightness — /bruyt nis/, n. 1. the quality of being bright. 2. Optics. the luminance of a body, apart from its hue or saturation, that an observer uses to determine the comparative luminance of another body. Pure white has the maximum brightness, and pure… …   Universalium

• brightness — /ˈbraɪtnəs/ (say bruytnuhs) noun 1. bright quality. 2. the quality of being intelligent or clever. 3. luminosity apart from hue; value. Pure white is of maximum brightness and pure black is of zero brightness. 4. Physics the amount of light that… …  

• Brightness — WikiV The attribute of visual perception in accordance with which an area appear to emit more of less light. (Luminance is the recommended name for the photo electric quantity which has also been called brightness.) …   Audio and video glossary

• brightness — blizgesys statusas T sritis chemija apibrėžtis Krintančios šviesos veidrodinis atspindys. atitikmenys: angl. brightness; brilliance; gloss rus. блеск; глянец …   Chemijos terminų aiškinamasis žodynas

• brightness — skaistis statusas T sritis chemija apibrėžtis Šviečiančio ar šviesą sklaidančio paviršiaus šviesos ryškumas tam tikra kryptimi (Cd/m²). atitikmenys: angl. brightness; luminance; luminosity rus. яркость …   Chemijos terminų aiškinamasis žodynas