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Lambert

[lam-bert; for 2 also German lahm-bert] /ˈlæm bərt; for 2 also German ˈlɑm bɛrt/
noun
1.
Constant
[kon-stuh nt] /ˈkɒn stənt/ (Show IPA),
1905–51, English composer and conductor.
2.
Johann Heinrich
[yoh-hahn hahyn-rikh] /ˈyoʊ hɑn ˈhaɪn rɪx/ (Show IPA),
1728–77, German scientist and mathematician.
3.
a male given name: from Germanic words meaning “land” and “bright.”.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for c. lambert

lambert

/ˈlæmbət/
noun
1.
the cgs unit of illumination, equal to 1 lumen per square centimetre L
Word Origin
named after J. H. Lambert (1728–77), German mathematician and physicist

Lambert

/ˈlæmbət/
noun
1.
Constant. 1905–51, English composer and conductor. His works include much ballet music and The Rio Grande (1929), a work for chorus, orchestra, and piano, using jazz idioms
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for c. lambert

Lambert

masc. proper name, from French, from German Lambert, from Old High German Lambreht, from lant "land" + beraht "bright." Old English cognate was Landbeorht. The popularity of the name from 12c. is probably due to immigration from Flanders, where St. Lambert of Maestricht was highly venerated. Attested as a surname from mid-12c.

Online Etymology Dictionary, © 2010 Douglas Harper
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c. lambert in Science
lambert
  (lām'bərt)   
A unit of luminance in the centimeter-gram-second system, equivalent to the luminance of a perfectly diffusing surface that emits or reflects one lumen per square centimeter. The lambert is named after the Swiss mathematician and physicist Johann Heinrich Lambert (1728-1777).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for c. lambert

lambert

unit of luminance (brightness) in the centimetre-gram-second system of physical measurement. (See the International System of Units.) It is defined as the brightness of a perfectly diffusing surface that radiates or reflects one lumen per square centimetre. The unit was named for the 18th-century German physicist Johann Heinrich Lambert. It is used by astronomers as well as by physicists, engineers, and photographers.

Learn more about lambert with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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