NB

NB NB also nb

written abbreviation for 'nota bene', used to make a reader pay attention to an important piece of information:

• The net cost of materials may be excluded from the gross payment before tax deduction is calculated (NB The current deduction rate is 27%).

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NB UK US (also nb)

► WRITTEN ABBREVIATION used before a piece of important information to make certain that readers notice it: »

NB All prices are quoted for a low-season week starting January 6/7.