PHOTO-ELECTRIC CELL
Photo-electric cell.
Defn: A cell (as one of two electrodes embedded in selenium) which by exposure to light generates an electric current.
PHOTO-ELECTRICITY
Pho`to-e*lec*tric"i*ty, n. [Photo-+ electricity.]
Defn: Electricity produced by light.
PHOTO-ELECTROGRAPH
Pho`to-e*lec"tro*graph, n. [See Photo-; Electrograph.] (Meteor.)
Defn: An electrometer registering by photography.
PHOTO-ELECTROTYPE
Pho`to-e*lec"tro*type, n. (Print.)
Defn: An electrotype plate formed in a mold made by photographing on prepared gelatine, etc.
PHOTO-ENGRAVE
Pho`to-en*grave", v. t. [imp. & p. p. Photo-engraved; p. pr. & vb. n.
Photo-engraving.] [Photo- + engrave.]
Defn: To engrave by a photomechanical process; to make a photo- engraving of. — Pho`to-en*grav"er (#), n.