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luminance in a given direction, at a given point of a real or imaginary surface ['luːmɪnəns] n
light.	сјај m; сјај светлости; луминанција
English thesaurus
Luminance ['luːmɪnəns] n
el., abbr.	L

luminance : 2 phrases in 2 subjects

Lighting other than cinema	1
Vacuum tubes	1