Photinia
— Noun
– English
～ genus of deciduous and evergreen east Asian trees and shrubs widely cultivated as ornamentals for their white flowers and red fruits; in some classifications includes genus Heteromeles
Photinia arbutifolia
— Noun
– English
～ ornamental evergreen treelike shrub of the Pacific coast of the United States having large white flowers and red berrylike fruits; often placed in genus Photinia
Photius
— Noun
– English
～ Patriarch of Constantinople and saint of the Greek Orthodox Church; was condemned by the Fourth Council of Constantinople in 869 but was reinstated by a later pope
photo-offset
— Noun
– English
～ a method of offset printing using photomechanical plates
photo finish
— Noun
– English
～ in general, any very close finish; in particular, a finish of a race in which the contestants are so close together that the winner must be determined from a photograph taken at the instant of finishing
photo op
— Noun
– English
～ an occasion that lends itself to (or is deliberately arranged for) taking photographs that provide favorable publicity for those who are photographed
photo credit
— Noun
– English
～ a note acknowledging the source of a published photograph
photo opportunity
— Noun
– English
～ an occasion that lends itself to (or is deliberately arranged for) taking photographs that provide favorable publicity for those who are photographed
photo
— Noun
– English
～ a representation of a person or scene in the form of a print or transparent slide or in digital format
Photoblepharon palpebratus
— Noun
– English
～ fish of deep dark waters having a light organ below each eye
Photoblepharon
— Noun
– English
～ a genus of fish in the family Anomalopidae
photocathode
— Noun
– English
～ a cathode that emits electrons when illuminated
photocell
— Noun
– English
～ a transducer used to detect and measure light and other radiations
photochemical exchange
— Noun
– English
～ an exchange produced by the chemical action of radiant energy (especially light)
photochemistry
— Noun
– English
～ branch of chemistry that deals with the chemical action of light
photocoagulation
— Noun
– English
～ surgical procedure that uses an intense laser beam to destroy diseased retinal tissue or to make a scar that will hold the retina in cases of detached retina
photocoagulator
— Noun
– English
～ surgical instrument containing a laser for use in photocoagulation
photoconduction
— Noun
– English
～ change in the electrical conductivity of a substance as a result of absorbing electromagnetic radiation
photoconductive cell
— Noun
– English
～ a transducer used to detect and measure light and other radiations
photoconductivity
— Noun
– English
～ change in the electrical conductivity of a substance as a result of absorbing electromagnetic radiation