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crown lens

noun

, Optics.
  1. a lens made of crown glass, usually used as the converging lens component of an achromatic lens.


crown lens

noun

  1. a lens made of optical crown, esp the optical-crown part of a compound achromatic lens


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Word History and Origins

Origin of crown lens1

First recorded in 1825–35

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petrichor

[pet-ri-kawr]

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