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.]