Definitions for: Nb

[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"
[n] a soft gray ductile metallic element used in alloys; occurs in niobite; formerly called columbium

Synonyms: atomic number 41, N.B., niobium, nota bene

See Also: annotation, columbite, columbium, metal, metallic element, niobite, notation, note

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