brightness constancy

NOUN
20 LETTERS · STARTS WITH B

brightness constancy is a valid 20-letter word worth 32 points in Scrabble and 37 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
B3R1I1G2H4T1N1E1S1S1C3O1N1S1T1A1N1C3Y4
3 + 1 + 1 + 2 + 4 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 4 =32 PTS
DOUBLE WORD → 64TRIPLE WORD → 96
MEANING

What does brightness constancy mean?

NOUN · 1 SENSE
1

The tendency for a visual object to be perceived as having the same brightness under widely different conditions of illumination.