1) Engraving 
Chromolithography is a method for making multi-colour prints. This type of colour printing stemmed from the process of lithography, and it includes all types of lithography that are printed in colour. When chromolithography is used to reproduce photographs, the term photochrome is frequently used. Lithographers sought to find a way to print on fla...
art of printing in colour using stone
• (n.) Lithography adapted to printing in inks of various colors.
A printing process that is done by printing in colors from a series of lithographic stones or plates. Noted for its fresh, bright colors, this process was popular during mid and late 19th century bookmaking.
Chro'mo·li·thog'ra·phy noun Lithography adapted to printing in inks of various colors. 
Lithographic printing in colours by means of separate stones or plates for the various colours, with some colours printed over others
Chromolithography was a method of producing a coloured or tinted lithographic picture, by using various stones having different portions of the picture drawn upon them with inks of various colours and so arranged as to blend into a complete picture. Sometimes as many as twenty different colours were employed. In printing, the lighter shades were pr...
[n] - single- or multi-color lithography
chromolithography, chromolithograph A picture printed in colors from stone.
noun single- or multi-color lithography
the process of lithographing in colors from a series of plates or stones.