Last Updated
：2025/11/22
seafloor spreading
Noun
uncountable
usually
Japanese Meaning
中央海嶺から、プレートテクトニクスの働きにより海底が外側に拡大する現象。これによって大陸移動の主な原因となる。
（ plural ）
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(geology) 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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seafloor spreading
Scientists studied seafloor spreading to understand how oceanic plates move away from mid-ocean ridges.
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Scientists studied seafloor spreading to understand how oceanic plates move away from mid-ocean ridges.
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