NB
— Noun
– English
~ 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"
nb
— Noun
– English
~ a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
NbE
— Noun
– English
~ the compass point that is one point east (clockwise) of due north
NbW
— Noun
– English
~ the compass point that is one point west of due north
nc
— Noun
– English
~ a state in southeastern United States; one of the original 13 colonies