dioptre


Definition: Meaning of, dioptre in English to English dictionary.

Pronunciation: / dʌɪˈɒptə /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
dioptre dioptres
British English, Canadian English ; diopter American English
  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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