Medical Dictionary

twenty–twenty

adjective twen·ty–twen·ty
variants: or

20/20

\ˌtwent-ē-ˈtwent-ē\play

Medical Definition of twenty–twenty

  1. :  having the normal visual acuity of the human eye that according to one common scale can distinguish at a distance of 20 feet characters one-third inch in diameter twenty–twenty vision


Seen and Heard

What made you want to look up twenty–twenty? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to link together in a series or chain

Get Word of the Day daily email!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!