There are 2 definitions of Nb in English:

Nb1

Syllabification: Nb

symbol

The chemical element niobium.

Definition of Nb in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day humoresque
Pronunciation: ˌhjuːməˈrɛsk
noun
a short, lively piece of music

There are 2 definitions of Nb in English:

NB2

Syllabification: NB

abbreviation

1New Brunswick (in official postal use).
1.1Nota bene; take special note (used to precede a written note).
[Latin]

Definition of Nb in: