Word.ws English Dictionary

Sloan letter

Sloan letter noun: any of a set of standard optotypes resembling the letters C, D, H, K, N, O, R, S, V and Z.

Noun

Sloan letter (plural Sloan letters)

  1. Any of a set of standard optotypes resembling the letters C, D, H, K, N, O, R, S, V and Z.

Forms of Sloan letter

pluralSloan letters

Origin of Sloan letter

They were designed by Louise Sloan in 1959.

Questions about Sloan letter

What does Sloan letter mean?
Sloan letter means any of a set of standard optotypes resembling the letters C, D, H, K, N, O, R, S, V and Z.
What part of speech is Sloan letter?
Sloan letter is a noun.
What is the plural of Sloan letter?
The plural of Sloan letter is Sloan letters.

Words near Sloan letter in the dictionary

  1. slo-mo
  2. slo-pitch
  3. sloam
  4. sloams
  5. Sloan
  6. Sloan letter
  7. Sloan letters
  8. Sloane
  9. Sloane Ranger
  10. Sloane Rangers
  11. Sloanes

Source and license

Adapted from Wiktionary: Sloan letter (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “Sloan letter.” Word.ws, https://word.ws/sloan_letter. Based on Wiktionary, CC BY-SA 4.0.