apochromatic

American

[ap-uh-kroh-mat-ik, -oh-kruh-] / ˌæp ə kroʊˈmæt ɪk, -oʊ krə- /

adjective

Optics.

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

apochromatic British

/ ˌæpəkrəˈmætɪk, ˌæpəˈkrəʊməˌtɪzəm /

adjective

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

apochromatism

noun

Etymology

Origin of apochromatic

First recorded in 1885–90; apo- + chromatic

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023