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Word: diopter (lookup usage) (lookup stats)


Meaning:

Noun:

  • A unit of measure of the power of a lens or mirror, equal to the Myopia is diagnosed and measured in diopters.
  • obsolete An alhidade
  • obsolete An instrument for drawing the skull by projections.
  • obsolete Any lens system, such as a telescope
  • obsolete A surgical speculum
  • obsolete A theodolite or similar surveyor's angle measuring device

Source: Wiktionary | Src Info »