1. (noun) a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter

• l

2. (noun) English composer and conductor (1905-1951)

• constant lambert
• leonard constant lambert

1. (noun) a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter

• illumination unit