- luminance unit
- nouna measure of luminance• Hypernyms: ↑light unit• Hyponyms: ↑nit, ↑foot-lambert, ↑ft-L
Useful english dictionary. 2012.
Useful english dictionary. 2012.
Luminance — is a photometric measure of the density of luminous intensity in a given direction. It describes the amount of light that passes through or is emitted from a particular area, and falls within a given solid angle. The SI unit for luminance is… … Wikipedia
luminance — [lo͞o′mə nəns] n. [< L lumen (gen. luminis), LIGHT1 + ANCE] 1. the quality or state of being luminous 2. a measure of the brightness of a luminous surface, measured in candelas per unit area … English World dictionary
luminance — /looh meuh neuhns/, n. 1. the state or quality of being luminous. 2. Also called luminosity. the quality or condition of radiating or reflecting light: the blinding luminance of the sun. 3. Optics. the quantitative measure of brightness of a… … Universalium
luminance — lu•mi•nance [[t]ˈlu mə nəns[/t]] n. 1) the state or quality of being luminous 2) the quality or condition of radiating or reflecting light: the blinding luminance of the sun[/ex] 3) opt the quantitative measure of brightness of a light source or… … From formal English to slang
luminance — The brightness of an object, expressed as the luminous flux per unit solid angle per unit projected area, measured in lamberts or in candelas per square meter. [L. lumino, to light up, fr. lumen, light] * * … Medical dictionary
luminance — noun Date: 1867 1. the quality or state of being luminous 2. the luminous intensity of a surface in a given direction per unit of projected area … New Collegiate Dictionary
luminance — noun a) the quality of being luminous b) the luminous flux emitted in a given direction divided by the product of the projected area of the source element perpendicular to the direction and the solid angle containing that direction, i.e. luminous … Wiktionary
luminance — [ lu:mɪn(ə)ns] noun 1》 Physics the intensity of light emitted from a surface per unit area in a given direction. 2》 the component of a television signal which carries information on the brightness of the image. Origin C19: from L. luminant… … English new terms dictionary
Luminance (Photometric Brightness) — WikiV Luminous intensity of any surface in a given direction per unit of projected area of the surface viewed from that direction. The amount of brightness, measured in lumens that is given off by a pixel or area on a screen.[6] … Audio and video glossary
luminance — n. Physics the intensity of light emitted from a surface per unit area in a given direction. Etymology: L luminare illuminate (as LUMEN) … Useful english dictionary