Multiple Master (text, tool, software) (Or "Multiple Master Font") A font that is a mixture of two or more other fonts.
A Multiple Master font is a single font containing from two to sixteen master designs (the current implementation limit). A weight factor specifies the contribution of each master design for the creation of a multiple master font instance. A Multiple Master instance is a single interpolation of a multiple master font as created by a user or application. ATM Glossary. Useable fonts. Last updated: 1998-05-31