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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

/ ˌæpəkrəˈmætɪk; ˌæpəˈkrəʊməˌtɪzəm /

adjective

  1. (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
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Derived Forms

  • apochromatism, noun
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Other Words From

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

Origin of apochromatic1

First recorded in 1885–90; apo- + chromatic

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