Extender and extending
DEFINITION
Material used to increase the bulk of a medium; the act of adding such a material. Often used in less expensive (sometimes sold as "student quality") paints. Sometimes called filler and filling.Also see aggregate.
Material used to increase the bulk of a medium; the act of adding such a material. Often used in less expensive (sometimes sold as "student quality") paints. Sometimes called filler and filling.Also see aggregate.