Synonym Game

illuminance

[ih-loo-muh-nuhns]

il·lu·mi·nance

[ih-loo-muh-nuhns]
noun Optics.
illumination (def. 6).

Origin:
1940–45; illumin(ate) + -ance
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Illuminance is always a great word to know.
So is zedonk. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
the offspring of a zebra and a donkey.
Collins
World English Dictionary
illuminance (ɪˈluːmɪnəns)
 
n
Compare irradiance Ev, Sometimes called: illumination the luminous flux incident on unit area of a surface. It is measured in lux

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
illuminance   (ĭ-l'mə-nəns)  Pronunciation Key 
The luminous flux per unit area at any point on a surface exposed to incident light. It is measured in luxes. Also called illumination.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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