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• Nb
  Nb

  niobium.
• NB
  NB

  abbreviation

  enby.
• nb
  nb

  abbreviation

  no ball
• N.B.
  N.B.

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

Nb

¹ American  

Symbol, Chemistry.

1. niobium.

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NB ² American  

abbreviation

1. enby.

2. nonbinary.

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NB ³ American  

Or N.B.

abbreviation

1. New Brunswick, Canada (approved for postal use).

2. nota bene.

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NB ¹ British  

abbreviation

1. nota bene

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Nb ² British  

symbol

1. niobium

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NB ³ British  

abbreviation

1. New Brunswick

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nb ⁴ British  

abbreviation

1. no ball

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N.B. Cultural  

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

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Etymology

Origin of NB

Latin: note well

Example Sentences

See Examples For:

Nb NB nb N.B.

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 Frederick Henry Ambrose Scrivener

NB Spotify did not provide data for Belfast.

From BBC ● Feb. 21, 2026

Premiering today in Sundance‘s U.S. Dramatic Competition is “Run Amuk,” the feature debut from writer-director NB Mager.

From Los Angeles Times ● Jan. 26, 2026

All lanes remain blocked on NB I-5 just south of SR 531 in #Marsville.

From Seattle Times ● Sep. 21, 2023

One NB column began: “The Preposterousness of Maya Angelou: An inexhaustible series.”

From New York Times ● May 22, 2023

NB: Youngest son currently at home, seriously ill, Ministry inspectors have confirmed.

From "Harry Potter and the Deathly Hallows" by J.K. Rowling

To this point, there are only three non-runners at Ayr but they include both my nap and the nb.

From The Guardian ● Oct. 11, 2012

If a : b :: c : d, then ma : nb :: mc : nd.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

To prove this, we have, according to Definition 5, to show— if ma > nb, then mα > nβ, if ma = nb, then mα = nβ, if ma < nb, then mα < nβ.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" by Various

"N.B. yes, those are anatomically correct heart cakes," she added, referring to a plate holding cakes shaped like real hearts in pools of apparently fake blood.

From BBC ● Apr. 3, 2024

The New Brunswick corporate register indicates that Oceanic Fisheries N.B. has been inactive since October 2021.

From Seattle Times ● Jul. 26, 2022

The plaza, which sits beside the bridge to tiny Clair, N.B., is named “America’s First Mile.”

From New York Times ● Jun. 15, 2021

N.B. triggering a devaluation of the euro as a large "market participant" isn't such a crazy idea.

From Economist ● Apr. 2, 2013

For the cheapest method of procuring a hard jelly, see N.B. to No. 481; nineteen bones, costing 4 1/2d. produced three ounces: almost as cheap as Salisbury glue.

From The Cook's Oracle; and Housekeeper's Manual by William Kitchiner