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Search Result:Nb




Overview of noun nb

The noun nb has 2 senses


  • niobium, Nb, atomic number 41 -- (a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium)

  • nota bene, NB, N.B. -- (a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something; "the margins of his book were generously supplied with pencilled NBs")