oceanic abyss
noun1
Geography, Natural sciences, Oceanography A long steep-sided depression in the ocean floor.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Geography, Natural sciences, Oceanography A long steep-sided depression in the ocean floor.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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