PHOTOENGRAVING


Meaning of PHOTOENGRAVING in English

Any of several processes for producing printing plates by photographic means (see photography ).

In general, a plate coated with a photosensitive substance is exposed to an image, usually on film; the plate is then treated in various ways, depending on the printing process to be used. Photoengraving is particularly useful for reproducing photographs via the halftone process . See also offset printing .

Britannica English dictionary.      Английский словарь Британика.