o
Proposed by a contributor, not yet supported by evidence.
Also seen as: os · o's · oes
Sense 1
The fifteenth numeral symbol of the English alphabet, called o and written in the Latin script.
Ký tự số thứ mười lăm trong bảng chữ cái tiếng Anh
Machine-translated — suggest a fix
Numeral
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
The name of the Latin script letter O/o.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
A zero (used in reading out numbers).
Noun
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 4
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “o” mean?
The fifteenth numeral symbol of the English alphabet, called o and written in the Latin script.
Is “o” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.