apochromatic

[ 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.

Nearby words

apocarp, apocarpous, apocatastasis, apocenter, apochromat, apochromatic, apochromatic objective, apocopate, apocope, apocrine, apocrine adenoma

Origin of apochromatic

First recorded in 1885–90; apo- + chromatic

Related forms

ap·o·chro·ma·tism

[ap-uh-kroh-muh-tiz-uh m] /ˌæp əˈkroʊ məˌtɪz əm/, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for apochromatic

apochromatic

/ (ˌæpəkrəˈmætɪk) /

adjective

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

Derived Forms

apochromatism (ˌæpəˈkrəʊməˌtɪzəm), noun

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