Nearby words
illogical, illogicality, illude, illume, illuminable, illuminance, illuminant, illuminate, illuminated, illuminati, illuminating
Origin of illuminance
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for illuminance
illuminance
/ (ɪˈluːmɪnəns) /
noun
the luminous flux incident on unit area of a surface. It is measured in luxSymbol: E v Sometimes called: illumination Compare irradiance
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Science definitions for illuminance
illuminance
[ ĭ-lōō′mə-nəns ]
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
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