seafloor spreading

See also: sea-floor spreading

English

Alternative forms

sea-floor spreading

Noun

seafloor spreading (usually uncountable, plural seafloor spreadings)

(geology) The outward movement of the seafloor from central underwater ridges as a result of plate tectonics; the major cause of continental drift.
- 2004, Richard Fortey, The Earth, Folio Society, published 2011, page 143:
  However, the recognition of sea-floor spreading made sense of continental splitting without having to invoke earth expansion.

Translations

outward movement of the seafloor

Danish: oceanbundsspredning c
French: expansion des fonds océaniques f
German: Ozeanbodenspreizung f
Norwegian:
Bokmål: havbunnsspredning m or f

Nynorsk: havbotnspreiing f
Swedish: havsbottenspridning (sv) c, oceanbottenspridning c

Further reading

seafloor spreading on Wikipedia.Wikipedia

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