Nb

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌɛnˈbiː/


Collins Concise English Dictionary © HarperCollins Publishers::
Nb the chemical symbol for
  1. niobium
WordReference Random House Learner's Dictionary of American English © 2026
NB or N.B., an abbreviation of Latin nota bene:
  1. note well (look at this carefully).

WordReference Random House Unabridged Dictionary of American English © 2026
NB, 
    1. AbbreviationsNew Brunswick, Canada (approved for postal use).
    2. See nota bene. 

Nb, [Symbol, Chem.]
  1. Chemistryniobium.

N.B., 
    1. New Brunswick.
    2. See nota bene. 

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

Collins Concise English Dictionary © HarperCollins Publishers::
NB abbreviation for
  1. New Brunswick
  2. nonbinary
  3. Also: N.B., nb, n.b. nota bene
Etymology: (for sense 3) Latin: note well
'Nb' also found in these entries (note: many are not synonyms or translations):
New Brunswick - niobium - nota bene - tantalite - columbite - niobic acid

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