NB

northbound

Nb

niobium

NBA

National Basketball Association 미국 농구협회;National Boxing Association미국 권투 협회

NBC,N.B.C

(미)National Broadcasting Company;nuclear;biological and chemical weapons핵생물화학무기

NbE,N.b.E

north by east

NBER

(미)National bureau of Economic Research

Nbomb

핵폭탄

NBR

X;NITRILEBUDADIENE RUBBER니트릴부다디엔 러버(특수합성고무,내유성이 강함)

NBS

National Bureau of Standards(미)규격 표준국

Nbw,N.b.W.

north by west