Is “Lambert” a Scrabble word?
Yes
LAMBERT
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 Lambert
noun
1.A cgs unit of luminance; the brightness of a surface that emits one lumen per square centimetre