nu

adj

1. Initialism of nonunion.

intj

Etymology: Borrowed from Yiddish נו (nu). Doublet of now.

1. An exclamation of surprise, emphasis, doubt, etc.
2. Well? (Used as a question to demand an answer from someone reluctant to answer.)

name

Etymology: Abbreviations.

1. Abbreviation of Numbers (a book in the Old Testament of the Bible).
2. Alternative spelling of NU, Nunavut

noun

Etymology: From Ancient Greek νῦ (nû), name for the letter of the Greek alphabet Ν (N) and ν (n).

1. The letter of the Greek alphabet Ν (N) and ν (n).
2. A measure of constringence in lenses or prisms.