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    nb

    nb - Dictionary definition and meaning for word nb

    Definition
    (noun) a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
    Synonyms : atomic number 41 , niobium
    Definition
    (noun) a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something
    Synonyms : n.b. , nota bene
    Example Sentence
    • the margins of his book were generously supplied with pencilled NBs
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