Nb

symbol

Definition of Nb

  1. niobium


NB

abbreviation

Definition of NB

  1. 1 New Brunswick

  2. 2 northbound

  3. 3 nota bene —often not cap


Medical Dictionary

Nb

symbol

Medical Definition of Nb

  1. niobium


NB

abbreviation

Medical Definition of NB

  1. newborn


Learn More about nb


Seen and Heard

What made you want to look up Nb? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to decrease in size, extent, or degree

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • alphabet-magnets
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ