(n) green and purple bacteria; energy for growth is derived from sunlight; carbon is derived from carbon dioxide or organic carbon, Syn. phototropic bacteria
{ } a. [ Cf. F. photographique. ] Of or pertaining to photography; obtained by photography; used ib photography; as a photographic picture; a photographic camera. -- Pho`to*graph"ic*al*ly, adv. [1913 Webster]
Photographic printing, the process of obtaining pictures, as on chemically prepared paper, from photographic negatives, by exposure to light. [1913 Webster]