photocell

n = photoelectric cell (photoelectric).

phonetically, phonetician, phonetics, phoney (also phony), phonic, phoniness, phonograph, phonological, phonologist, phonology, phooey, phosgene, phosphate, phosphorescence, phosphorescent, phosphoric, phosphorus, photo, photo finish (in horse racing), photo-, photochemical, photocopier, photocopy, photoelectric, photogenic, photograph, photographer, photographic, photographically, photography, photolithography, photon, photorespiration, photosensitive, photosensitize, photosensitise, photostat, Photostat (also photostat), photostatic, photosynthesis, photosynthesize, photosynthesise,