a. [ Photo- + electric. ] Acting by the operation of both light and electricity; -- said of apparatus for producing pictures by electric light. [ 1913 Webster ]

{ }, a. Pertaining to, or capable of developing, photo-electricity. [ Webster 1913 Suppl. ]

. A cell (as one of two electrodes embedded in selenium) which by exposure to light generates an electric current. [ Webster 1913 Suppl. ]

n. [ Photo- + electricity. ] Electricity produced by light. [ Webster 1913 Suppl. ]