English dictionary
Nb
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
Source: WordNet 3.0
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a Latin phrase (or its abbreviation) used to indicate that special attention should be paid to something
ExamplesThe margins of his book were generously supplied with pencilled NBs.
Source: WordNet 3.0