- the end of the earth's axis of rotation, marking the northernmost point on the earth.
- the point at which the extended axis of the earth cuts the northern half of the celestial sphere, about 1° from the North Star; the north celestial pole.
- the pole of a magnet that seeks the earth's north magnetic pole.
- See under magnetic pole (def. 1).
- the northernmost point on the earth's axis, at a latitude of 90°N
- the point of intersection of the earth's extended axis and the northern half of the celestial sphere, lying about 1° from Polaris
- the pole of a freely suspended magnet, which is attracted to the earth's magnetic North Pole
