- The northern end of Earth's axis of rotation, a point in the Arctic Ocean.北极：地球转轴的北端，北冰洋上的一点
- The celestial zenith of this terrestrial point.北天极：这个地球点的天顶
- north pole The northern end of the axis of rotation of a planet or other celestial body. north pole 行星或其它天体旋转轴的北端
- north pole The north-seeking magnetic pole of a straight magnet. north pole 北磁极：直磁铁的北向搜索磁极