A soft gray ductile metallic element used in alloys; occurs in niobite; formerly called columbium
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Noun
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"
Noun
a soft gray ductile metallic element used in alloys; occurs in niobite; formerly called columbium
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Usage Examples
Misspelled Form
NB, NB, B, NB, NB, N, NB.
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