A person who specializes in studying or working with color, chromatism, or chromatic effects in art or science.
From 'chromatic' or 'chromatism' + '-ist' (suffix for practitioners). Appeared in art and science contexts in the late 19th century as color study became more specialized.
A chromatist might study how colors in paintings change over centuries, or how light bends through imperfect lenses—it's a specialist role that bridges physics, chemistry, and aesthetic judgment.
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