abbreviation nb means
Nota bene (/ËnoÊtÉ ËbÉneÉª/ , /ËnoÊtÉ ËbÉni/ or /ËnoÊtÉ ËbiËni/ ; plural form notate bene) is a Latin phrase meaning note well. The phrase first appeared in writing circa 1721.Often abbreviated as  N.B. ,  N.b.  or  n.b. , nota bene comes from the Latin roots notÄre (to note) and bene (well).It is in the singular imperative mood, instructing one individual to note well the matter at hand.ften abbreviated as  N.B. ,  N.b.  or  n.b. , nota bene comes from the Latin roots notÄre (to note) and bene (well). It is in the singular imperative mood, instructing one individual to note well the matter at hand.