violle standard

violle standard
\\ˈvyȯl-\ noun or violle (-s)
Usage: usually capitalized V
Etymology: after Jules Violle died 1923 French physicist
: a photometric unit that is the luminous intensity of a square centimeter of platinum at the temperature of solidification and equals about 20 candles

Useful english dictionary. 2012.

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  • violle — noun see violle standard …   Useful english dictionary

  • Violle, Jules — ▪ French physicist born Nov. 16, 1841, Langres, Fr. died Sept. 12, 1923, Fixin       French physicist who at Mont Blanc in the French Swiss Alps made the first high altitude determination of the solar constant (1875). A graduate of the École… …   Universalium

  • Jules Violle — Infobox Scientist name = PAGENAME box width = image size =150px caption = PAGENAME birth date = November 16 1841 birth place = Langres death date = September 12 1923 death place = Fixin residence = |citizenship = nationality = French ethnicity =… …   Wikipedia

  • Bougie (unité de mesure) — intensité lumineuse de l éclairage. Ancienne unité de mesure, la bougie comme unité de mesure évaluait l intensité lumineuse de l éclairage. En France l intensité lumineuse du platine en fusion était la référence et l étalon de l’unité métrique… …   Wikipédia en Français

  • Lichtstärke (Photometrie) — Physikalische Größe Name Lichtstärke Formelzeichen der Größe Iv Formelzeichen der Dimension J Größen und Einheiten system Einheit Dimension …   Deutsch Wikipedia

  • Luminous intensity — In photometry, luminous intensity is a measure of the wavelength weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye.… …   Wikipedia

  • Viola da gamba — engl.: Viol, ital.: Viola da gamba, frz.: Viole de gambe Klassifikation Chordophon Streichinstrument …   Deutsch Wikipedia

  • Liste der Erfinder — Dies ist eine Liste von Erfindern, die die Welt mit ihren Erfindungen bereichert haben. Ein Erfinder ist jemand, der ein Problem erkannt hat, es gelöst und mindestens einmal damit Erfolg gehabt hat. Er muss nicht der erste gewesen sein; eine… …   Deutsch Wikipedia

  • Viol — Not to be confused with Viola. Viol String instrument Other names Viola da gamba Hornbostel–Sachs classification 321.322 71 (Composite chordophone sounded by a bow) Developed Late 15th century from the vihuela …   Wikipedia

  • Bougie d'ecimale — Bou*gie d[ e] ci male [F., lit., decimal candle.] A photometric standard used in France, having the value of one twentieth of the Violle platinum standard, or slightly less than a British standard candle. Called also {decimal candle}. [Webster… …   The Collaborative International Dictionary of English

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