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lightness

2 ENTRIES FOUND:

1light·ness

noun \-nəs\

Definition of LIGHTNESS

1
: the quality or state of being illuminated : illumination
2
: the attribute of object colors by which the object appears to reflect or transmit more or less of the incident light — compare brightness 2, hue 2c, saturation 4

First Known Use of LIGHTNESS

before 12th century

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