Meaning of geodynamo in English:

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.

Pronunciation

geodynamo

/ˌdʒiːə(ʊ)ˈdʌɪnəməʊ/ /dʒɪəˈdʌɪnəməʊ/

Origin

1960s. From geo- + dynamo.