Definition of achromat in English:

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Pronunciation: /ˈakrə(ʊ)mat/


A lens that transmits light without separating it into constituent colours.
Example sentences
  • Quartz-sapphire and quartz-lanthanum fluoride achromats provide better performance.
  • The long focus achromat is certainly not portable but it does give superb images at a reasonable cost.
  • The two-element lenses used in today's achromats greatly reduce the chromatic aberration.

For editors and proofreaders

Line breaks: achro|mat

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