Any occasion when a politician or other celebrity may be photographed to their advantage.

(informal) A photo opportunity.

All commercial aspects of the processing of photographs apart from simple developing and printing

(physics) A situation in which all of the energy of a photon is transferred to an atom or molecule

(sports) The finish of a race in which the leaders are so close together that the winner cannot be identified using the naked eye but is determined by means of a photograph.

Of, related to, or irradiated by light; especially describing that part of the near-surface ocean is which photosynthesis is possible.

The part of the near-surface body of an ocean or lake that receives enough sunlight for photosynthesis to be possible.

a series of photographs, sometimes with text, that narrates a story

A method of offset printing that uses photomechanical plates

A very realistic style in art in which a painting or drawing is virtually indistinguishable from a photograph.