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continental margin

noun, Physical Geography
1.
the offshore zone, consisting of the continental shelf, slope, and rise, that separates the dry-land portion of a continent from the deep ocean floor.
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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Contemporary definitions for continental margin
noun

the offshore zone, consisting of the continental rise, shelf, and slope that separates the land of a continent from the deep ocean floor; the ocean floor from the continental slope to the abyssal plain

Usage Note

geology

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