There are 3 definitions of nb in English:

nb

Line breaks: nb

abbreviation

Cricket
No-ball.

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Word of the day conspicuous
Pronunciation: kənˈspɪkjʊəs
adjective
clearly visible

There are 3 definitions of nb in English:

Nb

Line breaks: Nb

symbol

The chemical element niobium.

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Definition of Nb in:

There are 3 definitions of nb in English:

NB

Line breaks: NB

abbreviation

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

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Definition of NB in: