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.
  • Caliper
    (1) The thickness of a substrate material usually expressed in mils or points, both being terms expressing thousandths of an inch. (0.050 is expressed as 50 point usually for paper stocks; or 50 mils when plastics are designated by thickness); (2) An instrument used to measure a substrate.
  • Sheet caliper
    The thickness of a substrate.