achromaticity

noun

ach·​ro·​ma·​tic·​i·​ty

ˌa-krə-məˈtisətē,

ˌā-

plural -es

1

: the quality or state of being achromatic (as grayness of a color)

2

: degree of being achromatic

Word History

First Known Use

1821, in the meaning defined at sense 1

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