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

Definition of seafloor

: seabed

Examples of seafloor in a Sentence

Recent Examples on the Web

Japan is also pushing forward with offshore carbon storage underneath the seafloor off Hokkaido island. Eric Niiler, WIRED, "What to Do About CO2? Try Stuffing It Into the Gulf of Mexico," 6 June 2019 The primary goal was to build an autonomous, high-resolution seafloor-mapping system that could be launched from a similarly uncrewed boat. Scott K. Johnson, Ars Technica, "XPRIZE selects winners of autonomous seafloor-mapping competition," 1 June 2019 These skills made them the perfect partners for collecting temperature data at the seafloor. Kasha Patel, Smithsonian, "How Data-Gathering Seals Help Scientists Measure the Melting Antarctic," 13 July 2018 The Angler drone will travel closer to the seafloor than aerial drones travel to the ground, making navigation much more hazardous. Kyle Mizokami, Popular Mechanics, "DARPA Wants an Autonomous Drone That Can Do Dirty Work on the Ocean Floor," 1 Feb. 2019 The organisms that made the largest and most prized of these shells would have anchored themselves to the rocky seafloor in clear water, deep enough that only skilled free divers could reach them. Kiona N. Smith, Ars Technica, "The skulls of ancient pearl divers come with abnormal ear canal bone growths," 28 Dec. 2018 But wherever the first interplanetary submarine ends up going, SUBSEA will have carefully laid the groundwork on the terrestrial seafloor. John Wenz, Popular Mechanics, "NASA Is Launching a Submarine to the Seafloor," 13 Aug. 2018 And if all goes well, Schofield and Corr want to try a similar approach for other organic materials from the shipwreck, like leather and textiles (the artifacts recovered from the seafloor include pieces of velvet, sailcloth, and other fabrics). Kiona N. Smith, Ars Technica, "Tiny magnets will escort ions out of rare material from a shipwreck," 24 Aug. 2018 Beginning in the 1970s, a few studies showed that several types of sedimentary rock contain nitrogen from long-dead plants, algae and animals deposited on the ancient seafloor. Doug Main, Scientific American, "Mystery of Earth's Missing Nitrogen Solved," 29 May 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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11 Jun 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

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incapable of being surmounted or overcome

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