Meaning of geodynamo in English:

geodynamo

Pronunciation /ˌdʒiːə(ʊ)ˈdʌɪnəməʊ/ /dʒɪəˈdʌɪnəməʊ/

See synonyms for geodynamo

noun

Geology
  • The mechanism by which the earth's magnetic field is generated, believed to resemble a self-exciting dynamo and to involve circulatory and convective motions and electrical currents within the earth's liquid outer core.

Origin

1960s. From geo- + dynamo.