Found 1 items, similar to Nb.
English → English (WordNet) Definition: 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.]