The amount of moisture contained by a paper when its own relative humidity is equal to that of the surrounding atmosphere, and the point at which paper will neither gain nor lose …
Equilibrium Relative Humidity
The relative humidity of the atmosphere at a particular temperature at which paper will neither gain nor lose moisture. At equilibrium relative humidity, paper can be exposed to air without the environment …
Equivalent Neutral Density
In color printing, the respective densities of the three process colors—cyan, magenta, and yellow—required to produce neutral gray.
Equivalent Weight
A term used to describe the respective basis weights of the same paper at two different sheet sizes.
Evaporation
The changing of a liquid into a gas, which occurs at a liquid’s boiling point. In printing ink terminology, evaporation refers to a method of drying in which an ink vehicle containing …