Search Result for "phot": 
Wordnet 3.0

NOUN (1)

1. a unit of illumination equal to 1 lumen per square centimeter; 10,000 phots equal 1 lux; 



WordNet (r) 3.0 (2006):

phot
    n 1: a unit of illumination equal to 1 lumen per square
         centimeter; 10,000 phots equal 1 lux