In printing inks, varnishes, solvents, oily or greasy compounds used to reduce the consistency for printing. In photography, chemicals used to reduce the density of negative or positive images or the size of halftone dots (dot etching).
In printing inks, varnishes, solvents, oily or greasy compounds used to reduce the body and/or viscosity for printing.
An ink term which refers to varnishes, solvents and other compounds that are used in prinking inks to reduce viscosity.
Compounds such as varnishes and solvents used to reduce the consistency of printing inks.