• synonyms


[ap-uh-kroh-mat-ik, -oh-kruh-]
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adjective Optics.
  1. corrected for spherical aberration at two wavelengths or colors and for chromatic aberration at three wavelengths.
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Origin of apochromatic

First recorded in 1885–90; apo- + chromatic
Related formsap·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. 2018

British Dictionary definitions for apochromatic


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