Name of a process of engraving in which a specially prepared plate is acted upon chemically by exposure to light.

An early form of photo-etching invented by William Henry Fox Talbot (1800–77); photoglyphic engraving.

= photoglyphography, n.

The process of making phototypes.

The production of an image from a photographic negative transferred to a metal plate and etched in; the process by which such an image is produced…

(See quot.)

Any process by which an image is photographically transferred to a plate for printing, as photosetting.

A process of engraving by means of the action of light on a sensitized surface; an engraved plate, or an engraving, thus obtained; photogravure. Also…

A particular form of photoengraving in which a special carbon tissue is used. Also: a picture produced by this process. Frequently attributive.

a method of printing pictures from half-tone blocks prepared by photo-engraving, and set up for printing with type-matter; also, a picture produced…

= heliogravure, n.

The process of engraving by means of photography; a print produced by this process. Also attributive.

photogravure in colour; an example of this.