| EUPHOTIC | • euphotic adj. Describing that part of the near-surface ocean in which photosynthesis is possible. • EUPHOTIC adj. pertaining to the upper layer of a body of water. |
| ISOPHOTE | • isophote n. (Computer graphics) A contour of equal luminance in an image. • ISOPHOTE n. a line on an image of a galaxy, nebula or other celestial object connecting points of equal light intensity from a given source. |
| KYPHOTIC | • kyphotic adj. (Anatomy, pathology) Relating to, or exhibiting, kyphosis. • KYPHOTIC adj. suffering from kyphosis, humpbacked. |
| PHOTINIA | • photinia n. Any member of the genus Photinia of small trees and large shrubs in the family Rosaceae. • Photinia prop.n. A taxonomic genus within the family Rosaceae. • PHOTINIA n. any of a genus of evergreen or deciduous trees or shrubs of the Rosaceae family. |
| PHOTINOS | • photinos n. Plural of photino. • PHOTINO n. a hypothetical elementary particle. |
| PHOTISMS | • photisms n. Plural of photism. • PHOTISM n. a hallucinatory sensation of light; a visual synaesthesia. |
| PHOTOFIT | • photofit n. An image of a person constructed out of bits of photographs of other people; a facial composite. • PHOTOFIT n. (tradename) a method of building up a picture of a person by assembling a number of photographs of individual facial features. |
| PHOTOGEN | • photogen n. (Chemistry) A light hydrocarbon oil resembling kerosene, used as a lubricant, illuminant, etc. • photogen n. (Biology) A microorganism that produces phosphorescence. • PHOTOGEN n. a light-producing organ in animals. |
| PHOTOING | • photoing v. Present participle of photo. • PHOTO v. (colloquial) to photograph. |
| PHOTOMAP | • photomap n. (Cartography) a map made by the superimposition of aerial photographs onto grid lines, contours and… • photomap v. (Cartography) to produce such a map (from a photograph or existing map). • PHOTOMAP v. to map by means of aerial photography. |
| PHOTONIC | • photonic adj. Of, or relating to photons or to photonics. • PHOTONIC adj. relating to a photon. |
| PHOTOPIA | • photopia n. Normal daylight vision, in which the cone cells are used. • PHOTOPIA n. vision in illumination similar to daylight, believed to involve chiefly the cones of the retina. |
| PHOTOPIC | • photopic adj. (Of vision) used in normal daylight. • PHOTOPIC adj. relating to photopia, vision in illumination similar to daylight, believed to involve chiefly the cones of the retina. |
| PHOTOPSY | • photopsy n. (Archaic) photopsia. • PHOTOPSY n. the appearance of light flashes due to retinal irritation, also PHOTOPSIA. |
| PHOTOSET | • photoset v. To photocompose. • photoset n. A set of photographs. • PHOTOSET v. to prepare for printing by photographic means. |