ˈ ̷ ̷| ̷ ̷ ̷ ̷ noun
: a unit of luminance equal to the luminance of a perfectly diffusing surface that emits or reflects one lumen per square foot
ˈ ̷ ̷| ̷ ̷ ̷ ̷ noun
: a unit of luminance equal to the luminance of a perfectly diffusing surface that emits or reflects one lumen per square foot
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012