magnetic variation

magnetic variation

n.

1. Differences in the earth's magnetic field in time and location.

2. See magnetic declination.

---

magnetic variation

n

(Physics / General Physics) another name for magnetic declination

---

1. In navigation, at a given place and time, the horizontal angle between the true north and magnetic north measured east or west according to whether magnetic north lies east or west of true north. See also magnetic declination.
2. In cartography, the annual change in direction of the horizontal component of the Earth's magnetic field.

Thesaurus

Noun

1.

magnetic variation - the angle (at a particular location) between magnetic north and true north magnetic declination, variation angle - the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians