seafloor

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İngilizce - İngilizce
The bottom of a sea or ocean; often covered with sediment
The seafloor is the ground under the sea. = seabed
{i} seabed, floor of a sea or ocean
seafloor spreading
The outward movement of the seafloor from central underwater ridges as a result of plate tectonics; the major cause of continental drift
seafloor spreading
Theory that oceanic crust forms along submarine mountain zones, known collectively as the oceanic ridge system, and spreads out laterally away from them. This idea, proposed by U.S. geophysicist Harry H. Hess (1906-1969) in 1960, was pivotal in the development of the theory of plate tectonics