Definition of nb
English to English noun - a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
source: WordNet 3.0 - 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.
source: WordNet 3.0
Visual Synonyms 
Nearby Word
nb, neb, nob, nub, nab, nbe, nib, nbw, nebo, nwbw, nabu, n.b., nebe, nabob, niobe, nobya, nubia, nubby, nimby, ninib
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