The bottom of a sea or ocean; often covered with sediment.

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  • seafloor — [sē′flôr΄] n. the ground along the bottom of the ocean: also written sea floor …   English World dictionary

  • seafloor — [[t]si͟ːflɔ͟ː(r)[/t]] N SING The seafloor is the ground under the sea. Syn: seabed …   English dictionary

  • seafloor — jūros dugnas statusas T sritis ekologija ir aplinkotyra apibrėžtis Jūros apačia, nuklota įvairiomis jūrinėmis nuosėdomis iš uolienų nuotrupų ir smulkių dalelių, organizmų liekanų, įvairių druskų ir kt. medžiagų. Jame glūdi daugelio mineralų… …   Ekologijos terminų aiškinamasis žodynas

  • Seafloor massive sulfide deposits — or SMS deposits, are modern equivalents of ancient volcanogenic massive sulfide ore deposits or VMS deposits. The term has been coined by mineral explorers to differentiate the modern deposit from the ancient.SMS deposits were first recognised… …   Wikipedia

  • Seafloor spreading — Age of oceanic crust; youngest (red) is along spreading centers. Seafloor spreading is a process that occurs at mid ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge. Seafloor… …   Wikipedia

  • seafloor spreading hypothesis — ▪ Earth science       theory that oceanic (oceanic ridge) crust forms along submarine mountain zones, known collectively as the midocean ridge system, and spreads out laterally away from them. This idea played a pivotal role in the development of …   Universalium

  • Seafloor spreading — Ozeanbodenspreizung an einem Mittelozeanischen Rücken Ozeanbodenspreizung (engl.: Seafloor spreading) wird ein geologisch tektonischer Prozess genannt, der Anfang der 1960er Jahre durch Forschungsschiffe entdeckt wurde und den ersten messbaren… …   Deutsch Wikipedia

  • seafloor spreading — noun The outward movement of the seafloor from central underwater ridges as a result of plate tectonics; the major cause of continental drift …   Wiktionary

  • seafloor — noun Date: 1855 seabed …   New Collegiate Dictionary

  • seafloor — /see flawr , flohr /, n. the solid surface underlying a sea or an ocean. Also called seabed. [1850 55; SEA + FLOOR] * * * …   Universalium

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