or 20/20 adjective Etymology: from the testing of vision by reading letters at a distance of 20 feet Date: 1875 1. of the human eye meeting a standard of normal visual acuity <
twenty-twenty vision
2. marked by facilely accurate discernment, judgment, or assessment <
hindsight is twenty-twenty

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • twenty-twenty — 20/20 n [U] [Date: 1800 1900; Origin: From normal sight being judged on the ability to read letters at a distance of 20 feet] 1.) twenty twenty vision the ability to see things normally, without needing glasses ▪ A pilot must have twenty twenty… …   Dictionary of contemporary English

  • Twenty twenty — or 2020 can refer to: *the year 2020 *the number two thousand and twenty *20/20 vision, meaning normal visual acuity *Twenty20, a form of cricket (sport) * , a forthcoming Indian (Malayalam) film *the Australia 2020 Summit *the UK TV Production… …   Wikipedia

  • twenty-twenty — (also 20/20) ► ADJECTIVE ▪ (of vision) of normal sharpness. ORIGIN with reference to the fraction for normal visual acuity in eyesight tests …   English terms dictionary

  • Twenty Twenty — Infobox Company company name = Twenty Twenty company logo = company type = Independent foundation = London, 1982 location = London (UK) key people = Peter Casely Hayford Jamie Isaacs Tim Carter Sam Whittaker Tricia Wilson Ana De Moraes Nathan… …   Wikipedia

  • twenty-twenty — /twen tee twen tee, twun tee twun tee/, adj. 1. Ophthalm. having normal visual acuity. 2. keenly or acutely perceptive: an opinion based on twenty twenty hindsight. Also, 20 20. [1935 40] * * * …   Universalium

  • twenty-twenty — twen·ty twen·ty or 20/20 .twent ē twent ē adj 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> …   Medical dictionary

  • twenty twenty — sharp vision, perfect vision …   English contemporary dictionary

  • twenty-twenty — (also 20/20) adjective denoting vision of normal acuity. Origin with ref. to the fraction for normal visual acuity in eyesight tests …   English new terms dictionary

  • twenty-twenty — twen′ty twen′ty or 20 20 adj. oph having normal visual acuity • Etymology: 1870–75; so called from the testing of vision with standard eye charts from a distance of 20 feet …   From formal English to slang

  • twenty-twenty — noun normal visual acuity, as measured by the ability to read charts at a distance of 20 feet • Syn: ↑20/20 • Hypernyms: ↑acuity, ↑visual acuity, ↑sharp sightedness …   Useful english dictionary

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