A transducer that generates an electric current proportional to the light intensity.

air pollution caused by photochemical reactions involving hydrocarbons, nitrogen oxides and other pollutants, especially in still air over cities.

To use photocomposition to prepare text for printing

(chemistry) of, relating to, or produced by photochemistry or by photochemical reactions

Any chemical compound (such as silver halides) used in photography

(chemistry) Any chemical reaction initiated by the absorption of a quantum of electromagnetic radiation to form an excited state

A theatrical play that has been filmed for showing as a movie.

To make a photoengraving of an image

(uncountable) A process of transferring a photographic image onto a plate which is then etched and printed. / (countable) A plate or reproduction made using this process.

present participle of photoengrave