hadal zone
noun1
Geography, Natural sciences, Oceanography The deepest region of the ocean, lying within oceanic trenches.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Geography, Natural sciences, Oceanography The deepest region of the ocean, lying within oceanic trenches.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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