51Թ

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dioptometer

[dahy-op-tom-i-ter]

noun

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



dioptometer

/ ˌ岹ɪɒˈɒɪə /

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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Other 51Թ Forms

  • ˌ徱DZˈٴdzٰ noun
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51Թ History and Origins

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51Թ History and Origins

Origin of dioptometer1

from di- ² + opt ( ic ) + meter

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