Word.ws English Dictionary

1/O

1/O noun: first Officer.

Noun

1/O

  1. (British, English) First Officer.

Questions about 1/O

What does 1/O mean?
1/O means first Officer.
What part of speech is 1/O?
1/O is a noun.

Words near 1/O in the dictionary

  1. 1/4 final
  2. 1/8 final
  3. 1/C
  4. 1/d
  5. 1/f noise
  6. 1/O
  7. 1/Sgt.
  8. 1/Sgts.
  9. 10
  10. 10 Downing Street
  11. 10 points to Gryffindor

Source and license

Adapted from Wiktionary: 1/O (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: “1/O.” Word.ws, https://word.ws/1%2Fo. Based on Wiktionary, CC BY-SA 4.0.