geodynamo

geo·dy·namo
G2E1O1D2Y4N1A1M3O1
/ˌd͡ʒiːə(ʊ)ˈdʌɪnəməʊ//d͡ʒɪəˈdʌɪnəməʊ/

noun

the mechanism responsible for the generation of the Earth's magnetic field caused by convection and conduction currents in the fluid core

OriginEnglish dynamo ← Ancient Greek γεω- (geō-) ← Proto-Hellenic *gaya →
Scrabble 16
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Meanings

noungeodynamo (plural geodynamos)

plural geodynamos

  1. the mechanism responsible for the generation of the Earth's magnetic field caused by convection and conduction currents in the fluid core

Origin

  1. Proto-Hellenic*gaya
  2. Ancient Greekγαῖᾰ (gaîă)clip.
  3. Ancient Greekγῆ (gê)
  4. Ancient Greekγεω- (geō-)
  5. Englishgeo-
  6. Englishdynamo
  7. Englishgeodynamo

From geo- + dynamo.

Full word history & related roots →

Translations

German Geodynamo
  • GeodynamoTranslations
Turkish jeodinamo
  • jeodinamoTranslations
Cite this entry
APA

geodynamo. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/geodynamo

MLA

“geodynamo.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/geodynamo. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “geodynamo,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/geodynamo.

Source: geodynamo on Wiktionary, CC BY-SA 4.0.