Definitions for "Phot"
a unit of illumination equal to 1 lumen per square centimeter; 10,000 phots equal 1 lux
a unit of luminous flux equal to the illumination produced by one lumen on a surface of one square centimetre
A photometric light unit for very strong illumination levels. One phot is equal to 10,000 luxes.
referring to light, shining (_Photinia_, because of the glossy foliage)