nu
Proposed by a contributor, not yet supported by evidence.
Also seen as: nus
Sense 1
The letter of the Greek alphabet Ν (N) and ν (n).
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
A measure of constringence in lenses or prisms.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
An exclamation of surprise, emphasis, doubt, etc.
Interjection
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 4
Well? (Used as a question to demand an answer from someone reluctant to answer.)
Được dùng như một câu hỏi để yêu cầu trả lời từ người không muốn trả lời
Machine-translated — suggest a fix
Interjection
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “nu” mean?
The letter of the Greek alphabet Ν (N) and ν (n).
Is “nu” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.