N.B.
     n : 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" [syn: nota bene, NB]

	

	Nb
     n 1: a soft gray ductile metallic element used in alloys; occurs
          in niobite; formerly called columbium [syn: niobium, atomic
          number 41]
     2: 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" [syn: nota bene, N.B.]

	

	NB
     Nota bene (telecommunication-slang, Usenet, IRC)

	

	NB
     
        C