[foh-toh] /ˈfoʊ toʊ/
noun, plural photos.
noun (pl) -tos
short for photograph (sense 1)
1860, shortening of photograph. The verb is first recorded 1865, from the noun. Photo finish is attested from 1936. Photo opportunity first recorded 1974.
[foh-tuh-skan] /ˈfoʊ təˌskæn/ verb (used with object), photoscanned, photoscanning. 1. to study the distribution of a radioactive isotope or radiopaque dye in (a body organ or part) through the use of x-rays. photoscan pho·to·scan (fō’tə-skān’) n. See scintigram.
[foh-toh-si-sesh-uh n] /ˌfoʊ toʊ sɪˈsɛʃ ən/ noun 1. an association of photographers founded in New York City in 1902 by Alfred Stieglitz and Edward Steichen that advocated the development and public recognition of photography as a fine art.
[foh-tuh-sen-si-tiv] /ˌfoʊ təˈsɛn sɪ tɪv/ adjective 1. to light or similar radiation. /ˌfəʊtəʊˈsɛnsɪtɪv/ adjective 1. sensitive to electromagnetic radiation, esp light: a photosensitive photographic film photosensitive pho·to·sen·si·tive (fō’tō-sěn’sĭ-tĭv) adj.
[foh-tuh-sen-si-tiv-i-tee] /ˌfoʊ təˌsɛn sɪˈtɪv ɪ ti/ noun 1. the quality of being . 2. abnormal of the skin to ultraviolet light, usually following exposure to certain oral or topical drugs or to other sensitizing chemicals and resulting in accelerated burning and blistering of the skin. photosensitivity pho·to·sen·si·tiv·i·ty (fō’tō-sěn’sĭ-tĭv’ĭ-tē) n. photosensitivity (fō’tō-sěn’sĭ-tĭv’ĭ-tē)