Nitrogen
In mathematics, variable used to denote an indefinite number.
Abbreviation for noun and neuter.
Množina: Ns
14th letter of the English alphabet, from the Greek nu (N, n). N when spoken represents an alveolar nasal sound. In several Romance languages it disappears in many cases, with nasalization of the preceding vowel.
Abbreviation for north, newton, and the chemical symbol for nitrogen.