˜yÐÄvlog

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dioptometer

[ dahy-op-tom-i-ter ]

noun

Ophthalmology.
  1. an instrument for measuring the refraction of the eye.


dioptometer

/ ËŒ»å²¹ÉªÉ’±èˈ³ÙÉ’³¾Éª³ÙÉ™ /

noun

  1. an instrument for measuring ocular refraction
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ËŒ»å¾±´Ç±èˈ³Ù´Ç³¾±ð³Ù°ù²â, noun
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˜yÐÄvlog History and Origins

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˜yÐÄvlog History and Origins

Origin of dioptometer1

from di- ² + opt ( ic ) + meter

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