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Dioptre Definition & Meaning

dioptre
noun
  1. a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists

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Frequently asked questions

What does dioptre mean?
a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists
What part of speech is dioptre?
Dioptre is a noun.

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