illuminance

il·lu·mi·nance

 (ĭ-lo͞o′mə-nəns)

n.

See illumination.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

illuminance

(ɪˈluːmɪnəns)

n

(General Physics) the luminous flux incident on unit area of a surface. It is measured in lux. Symbol: E^v Sometimes called: illumination Compare irradiance

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

il•lu•mi•na•tion

(ɪˌlu məˈneɪ ʃən)

n.

1. an act or instance of illuminating.

2. the state of being illuminated.

3. a decoration of lights.

4. Sometimes, illuminations. a display using lights as a major decoration.

5. intellectual or spiritual enlightenment.

6. the intensity of light falling at a given place on a lighted surface; the luminous flux incident per unit area, expressed in lumens per unit of area.

7. a supply of light.

8. decoration of a manuscript or book with a painted design in color and gold or silver.

9. a design used in such decoration.

[1300–50; Middle English < Latin]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

illuminance - the luminous flux incident on a unit area illumination brightness level, luminance, luminosity, luminousness, brightness, light - the quality of being luminous; emitting or reflecting light; "its luminosity is measured relative to that of our sun"

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

Translations

éclairement