Glossary

The PRINTING United Alliance Glossary serves as an excellent industry terminology resource. It is the language by which we all communicate. Without it, universal understanding would be impossible.

To keep our constituents well informed about changes to the increasingly complex industry terminology, PRINTING United Alliance has developed this glossary of terms. Definitions are for general reference only. Usage may vary between companies, individuals, or national and country customs. The information presented is as accurate as the authors and editors can ascertain and PRINTING United Alliance assumes no responsibility for the use of information presented herein.
  • Gamma
    (1) A measure of contrast in photographic images; (2) Mathematical curve representing both contrast and brightness of an image.
  • Gamma correction
    A non-linear tonal correction, editing an image gamma curve.
  • Gamma curve
    The shape of a line connecting the input and output values responsible for generating an image.