Definition of lambert
: the centimeter-gram-second unit of brightness equal to the brightness of a perfectly diffusing surface that radiates or reflects one lumen per square centimeter
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Origin and Etymology of lambert
Johann H. Lambert †1777 German physicist & philosopher
Lambert
playDefinition of Lambert
John 1619–1683 English general
Medical Dictionary
lambert
playMedical Definition of lambert
: the centimeter-gram-second unit of brightness equal to the brightness of a perfectly diffusing surface that radiates or reflects one lumen per square centimeter
Biographical Note for lambert
Lambert
\ˈläm-ˌbert\play , Johann Heinrich
(1728–1777), German mathematician, physicist, and philosopher. Largely self-educated, Lambert investigated geometry and astronomy, doing so by means of instruments which he himself designed and built. He also made significant contributions to the knowledge of heat and light. In 1760 he demonstrated for the first time how to measure quantitatively the intensity of light. The cgs unit of measurement for light intensity, the lambert, is named in his honor.
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Britannica.com: Encyclopedia article about lambert
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