diopter in English dictionary

  • diopter

    Meanings and definitions of "diopter"

    • A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters.
    • (obsolete) Any lens system, such as a telescope.
    • (obsolete) A theodolite or similar surveyor’s angle measuring device.
    • (obsolete) An alidade.
    • (obsolete) A surgical speculum.
    • (obsolete) An instrument for drawing the skull by projections.
    • noun
      A unit of measure of the power of a lens or mirror, equal to the reciprocal of its focal length in meters. Myopia is diagnosed and measured in diopters.
    • noun
      (obsolete)
      Any lens system, such as a telescope.
    • noun
      (obsolete)
      A theodolite or similar surveyor’s angle measuring device.
    • noun
      (obsolete)
      An alidade.
    • noun
      (obsolete)
      A surgical speculum.
    • noun
      (obsolete)
      An instrument for drawing the skull by projections.
    • unit of measure
    • theodolite
    • diopter (optical unit of refraction in lenses)
    • noun
      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

    Synonyms of "diopter" in English dictionary

    unit of measurement, unit, dioptre are the top synonyms of "diopter" in the English thesaurus.

    Grammar and declension of diopter

    • diopter ( plural  diopters)
    • diopter (plural diopters)

Sample sentences with "diopter"

Available translations

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