stop bath

An acidic solution that is used to stop the development of photographic film once it is sufficiently developed. It acts by neutralising the alkaline developer, thereby stopping any further reduction of exposed silver halide crystals down to silver ions.

More Definitions

developer

In photography, a chemical solution used to reveal the latent image that has been captured on the photographic film, as…

Aniline Dye

A category of synthetic dyes made with a base material of coal-tar derivatives. Aniline is an organic compound derived from…

Harda

The fruit of the black myrobalan plant (Terminalia Chebula), it is used to make a natural dye for textiles such…

Alum

A double salt of aluminium and potassium that is used as a mordant in textile-dyeing processes, particularly when dyeing natural…

Jhalar

A strip of brightly coloured paper, cloth or plastic that is used to craft decorative pieces for festive occasions. The…

ground glass

Glass that has been given a coarse surface finish, usually with a fine abrasive, to be used as the viewfinder…

Papier-Mâché

Meaning “chewed paper” in French, it is a composite material made of pulped paper mixed with a glue or adhesive…

schist

Metamorphic rock with large grains typically visible to the naked eye, and generally easy to break into flakes or sheets.…