PHOTO-ENGRAVING
Pho`to-en*grav"ing, n. Etym: [Photo- + engraving.]
Defn: The process of obtaining an etched or engraved plate from the photographic image, to be used in printing; also, a picture produced by such a process.
PHOTO-EPINASTY
Pho`to-ep"i*nas`ty, n. Etym: [See Photo-, and Epinastic.] (Bot.)
Defn: A disproportionately rapid growth of the upper surface of dorsiventral organs, such as leaves, through the stimulus of exposure to light. Encyc. Brit.
PHOTO-ETCH
Pho`to-etch", v. t. [imp. & p. p. Photo-etched; p. pr. & vb. n.
Photo-etching.] [Photo- + etch.]
Defn: To engrave, or make an engraving of, by any photomechanical process involving etching of the plate.
PHOTO-ETCHING
Pho`to-etch"ing, n.
Defn: A photo-engraving produced by any process involving the etching of the plate.
PHOTOGALVANOGRAPHY
Pho`to*gal`va*nog"ra*phy, n. Etym: [Photo- + galvanography.]
Defn: The art or process of making photo-electrotypes. Sir D.
Brewster.