magnetometer

Noun. (physics) an instrument used to measure the intensity and direction of a magnetic field, especially at points on the Earth's surface.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.