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illuminance
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il·lu·mi·nance

noun \i-ˈlü-mə-nən(t)s\

Definition of ILLUMINANCE

: illumination 2

First Known Use of ILLUMINANCE

circa 1938

il·lu·mi·nance

noun \il-ˈü-mə-nən(t)s\   (Medical Dictionary)

Medical Definition of ILLUMINANCE

: illumination 2

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