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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

An instrument for measuring the power and range of vision.

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Usage examples (5)
  • “Yup,” he taunted, as if the optometer merely confirmed his suspicions.
  • Dr. J.val has just presented to the Academy of Medicine a very ingenious and practical optometer devised by George J. Bull, a young
  • Upon the whole, Dr. Bull's optometer permits of measuring the amplitude of accommodation, and, consequently, of obtaining the approximate age of people, of knowing the...
  • All essential detector data is stored in the detector's data coupler so that any number of sensors with associated components like optical filters, integrating spheres and...
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.