sea-floor spreading

A form of seafloor spreading — The outward movement of the seafloor from central underwater ridges as a result of plate tectonics; the major cause of continental drift.

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Meanings

noun
  1. alternativeAlternative spelling of seafloor spreading.
Cite this entry
APA

sea-floor spreading. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sea-floor%20spreading

MLA

“sea-floor spreading.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sea-floor%20spreading. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “sea-floor spreading,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sea-floor%20spreading.

Source: sea-floor spreading on Wiktionary, CC BY-SA 4.0.