BRIGHTNESS CONSTANCYbrightness constancy · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:BRIGHTNESS CONSTANCYTier 1Ordinal235Pythagorean82Classical222Reverse278Reverse Reduction107Standard1566Final Large1566Ordinal225Reduced63Atbash814Isopsephy1989Ordinal252Abjad2400