There are 2 definitions of bn in English:

bn1

Line breaks: bn

abbreviation

Billion.

Definition of bn in:

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Word of the day anastrophe
Pronunciation: əˈnastrəfi
noun
the inversion of the usual order of words...

There are 2 definitions of bn in English:

Bn2

Line breaks: Bn

abbreviation

1Baron.
1.1Battalion.