ACHROMATISMS
Scrabble letter values: A1C3H4R1O1M3A1T1I1S1M3S1 = 21
Definition
ACHROMATISMS is the plural of ACHROMATISM.
noun ACHROMATISM: the visual property of being without chromatic color.
Synonyms of ACHROMATISM: colorlessness, colourlessness, achromaticity