Definition of geomagnetic field
: a conventionalized symmetrical approximation of the earth's magnetic field having one diameter of the earth as its axis
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up geomagnetic field? Please tell us where you read or heard it (including the quote, if possible).