Is “Lux” a Scrabble word?
Yes
LUX
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Lux
/lʌks/
noun
1.In the International System of Units, the derived unit of illuminance or illumination; one lumen per square metre. Symbol: lx