oceanic crust

noun

The thin, dense outermost layer of Earth's lithosphere beneath the oceans.

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Meanings

nounoceanic crust (countable and uncountable, plural oceanic crusts)

plural oceanic crusts

  1. countableuncountablegeographyThe thin, dense outermost layer of Earth's lithosphere beneath the oceans.
Cite this entry
APA

oceanic crust. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/oceanic%20crust

MLA

“oceanic crust.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/oceanic%20crust. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “oceanic crust,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/oceanic%20crust.

Source: oceanic crust on Wiktionary, CC BY-SA 4.0.