Nb
《化学》niobium
NB1
注意せよ語源［ラテン nota bene］
NB2
New Brunswick
NBA
((米))National Basketball Association ナショナルバスケットボール協会；((米))National Book Awards；((米))National Boxi...
NBC
((米))National Broadcasting Company ＮＢＣ（放送）；nuclear biological and chemical weapon
NbE
north by east
NBG
((英略式))no bloody good 全然だめ
NBS
National Bureau of Standards
NbW
north by west
