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North Pole

(Encyclopedia)North Pole, northern end of the earth's axis, by convention at lat. 90°N. Because the earth's rotational axis wobbles slightly over time, the location where the northern end of the axis intersects th...

magnetic pole

(Encyclopedia)magnetic pole, the two roughly opposite ends of the planet where the earth's magnetic intensity is the greatest, as the north and south magnetic poles. For the magnetic north, it is the direction from...

celestial pole

(Encyclopedia)celestial pole, one of the two points at which the earth's axis of rotation intersects the celestial sphere. The celestial pole is important as a reference point in the equatorial coordinate system; t...

South Pole

(Encyclopedia)South Pole, southern end of the earth's axis, by convention at lat. 90° S. Because the earth's rotational axis wobbles slightly over time, the location where the southern end of the axis intersects t...

pole, magnetic

(Encyclopedia)pole, magnetic: see magnetic pole. ...

Pole, Reginald

(Encyclopedia)Pole, Reginald, 1500–1558, English churchman, archbishop of Canterbury (1556–58), cardinal of the Roman Catholic Church. He was a cousin of the Tudors, being the son of Sir Richard Pole and of Mar...

pole vaulting

(Encyclopedia)pole vaulting: see track and field athletics. ...

Pole, Richard de la

(Encyclopedia)Pole, Richard de la: see Pole, family. ...

Pole, William de la

(Encyclopedia)Pole, William de la: see Pole, family. ...

pole, in electricity and magnetism

(Encyclopedia)pole, in electricity and magnetism, point where electric or magnetic force appears to be concentrated. A single electric charge located at a point is sometimes referred to as an electric monopole. An ...