noun
: an apparatus for color mixture ; especially : a wheel provided with concentric colored disks slit along a radius and dovetailed so as to reveal differently colored sectors which when whirled rapidly blend into a circle of uniform color
noun
: an apparatus for color mixture ; especially : a wheel provided with concentric colored disks slit along a radius and dovetailed so as to reveal differently colored sectors which when whirled rapidly blend into a circle of uniform color
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012