achromatous

[ ey-kroh-muh-tuhs ]

adjective

1. without color.
2. having little or inadequate color; lighter in color than normal.

achromatous

/ əˈkrəʊmətəs /

adjective

1. having little or no colour or less than is normal

Word History and Origins

Origin of achromatous¹

achromat(ic) + -ous