Meaning of PHOTO- in English

PHOTO-

a combining form meaning "light" ( photobiology ); also used to represent "photographic" or "photograph" in the formation of compound words: photocopy.

Also, esp. before a vowel, phot- .

[ phôs (gen. photós ) ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .