apochromatic

[ ap-uh-kroh-mat-ik, -oh-kruh- ]

adjective

, Optics.

1. corrected for spherical aberration at two wavelengths or colors and for chromatic aberration at three wavelengths.

apochromatic

/ ˌæpəˈkrəʊməˌtɪzəm; ˌæpəkrəˈmætɪk /

adjective

1. (of a lens) almost free from spherical and chromatic aberration

Derived Forms

• apochromatism, noun

Other Words From

• ap·o·chro·ma·tism [ap-, uh, -, kroh, -m, uh, -tiz-, uh, m], noun

Word History and Origins

Origin of apochromatic¹

First recorded in 1885–90; apo- + chromatic