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luminance

Pronunciation: lu'mi-nants

Definition: The brightness of an object, expressed as the luminous flux per unit solid angle per unit projected area, measured in lamberts or in candelas per square meter.

[L. lumino, to light up, fr. lumen, light]

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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