Nb

¹ American

Symbol, Chemistry.

niobium.

NB ² American

abbreviation

enby.
nonbinary.

NB ³ American

Or N.B.

abbreviation

New Brunswick, Canada (approved for postal use).
nota bene.

Nb ¹ British

symbol

niobium

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

NB ² British

abbreviation

nota bene

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

NB ³ British

abbreviation

New Brunswick

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

nb ⁴ British

abbreviation

no ball

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

N.B. Cultural

An abbreviation for the Latin phrase nota bene, meaning “note well.” It is used to emphasize an important point.

Etymology

Origin of NB

Latin: note well

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One rough breathing is just visible in that early palimpsest of St. John's Gospel, Ib or Nb.

From A Plain Introduction to the Criticism of the New Testament, Vol. I. by Scrivener, Frederick Henry Ambrose

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023