sea·​floor | \ ˈsē-ˌflȯr How to pronounce seafloor (audio) \

Definition of seafloor

: seabed

Examples of seafloor in a Sentence

Recent Examples on the Web

Vents on the seafloor can reach hundreds of degrees as upwelling volcanic material meets the ocean water. John Wenz, Popular Mechanics, "NASA Is Launching a Submarine to the Seafloor," 13 Aug. 2018 Research from this year has suggested that the icy Enceladus in particular has strong potential for life, with microorganisms clinging to the surface of its seafloor. David Grossman, Popular Mechanics, "Here's AI's Best Guess at a 3D-Printed Lander for Saturn and Jupiter's Moons," 14 Nov. 2018 But remarkably, the locations where the conveyor belt drops from the surface to the seafloor change. Scott K. Johnson, Ars Technica, "Mad scientists flip the Earth’s spin in climate models, watch water go nuts," 17 Oct. 2018 Researchers calculate that the seafloor under the ice sheet rose as quickly as 7 inches per year, or more than 1,300 feet over the course of several thousand years. National Geographic, "The West Antarctic Ice Sheet Seems to Be Good at Collapsing," 13 June 2018 The mounds of bones and other fish parts that seafood processors release into the ocean can carpet the seafloor like a gelatinous goo, suffocating life by depleting oxygen in the water, the agency has said. Alex Demarban, Anchorage Daily News, "Seafood processor will pay $300,000 fine for oversized fish waste piles at two Alaska plants," 2 Mar. 2018 Truly ancient wrecks like this one usually leave behind only a scattering of amphorae, ballast stones, or broken pottery on the seafloor to tell the tale. Kiona N. Smith, Ars Technica, "This ancient Greek ship is the oldest intact shipwreck ever discovered," 24 Oct. 2018 The company says that plumes of oil rising to form the surface sheen could be from oil that is escaping naturally from sediment on the seafloor. Ted Mann, WSJ, "Oil Spill at Center of Legal Battle Worse Than Earlier Estimated, Study Finds," 14 Sep. 2018 The researchers were filming regions of the seafloor off the eastern coast of Antarctica looking for vulnerable marine habitats and ecosystems. Avery Thompson, Popular Mechanics, "Mysterious 'Headless Chicken Monster' Spotted in Ocean Near Antarctica," 22 Oct. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seafloor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of seafloor

1855, in the meaning defined above

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5 Feb 2019

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The first known use of seafloor was in 1855

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English Language Learners Definition of seafloor

: the ground that is at the bottom of the sea

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Nglish: Translation of seafloor for Spanish Speakers

Comments on seafloor

What made you want to look up seafloor? Please tell us where you read or heard it (including the quote, if possible).


to corrupt or become corrupted

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