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View synonyms for twenty-twenty

twenty-twenty

or 20/20

[ twen-tee-twen-tee, twuhn-tee-twuhn-tee ]

adjective

  1. Ophthalmology. having normal visual acuity.
  2. keenly or acutely perceptive:

    an opinion based on twenty-twenty hindsight.



twenty-twenty

adjective

  1. med (of vision) being of normal acuity: usually written 20/20
“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


twenty-twenty

/ twĕn′tē-twĕn /

  1. Having normal visual acuity. A person with twenty-twenty vision can see type as small as one-third of an inch at a distance of twenty feet.


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Word History and Origins

Origin of twenty-twenty1

First recorded in 1875–80; extracted from Ophthalmic Manual (1875), by Sir Thomas Longmore, chief medical officer of the British armed forces
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Example Sentences

"Nineteen—twenty—twenty-one," the people in the Garden of the Tuileries counted.

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twenty-threetwenty-twenty hindsight