gum bichromate process

noun

a contact printing method in which the image is formed on a coating of sensitized gum containing a suitable colored pigment and potassium or ammonium dichromate.

Nearby words

gum accroides, gum ammoniac, gum arabic, gum band, gum benzoin, gum bichromate process, gum dammar, gum digger, gum digger's spear, gum elastic, gum elemi

Origin of gum bichromate process

First recorded in 1895–1900

Also called gum dichromate process.