Definition of dioptres

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  • dioptres is a valid Scrabble US word with a point value of 11
  • dioptres is a valid Scrabble UK word with a point value of 11
  • dioptres is a valid Words with friends word with a point value of 12

Definition of dioptres

  • 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 (noun)

    Synonyms

    1. diopter

See definition of dioptres in Merriam Webster