seafloor
noun
sea·floor ˈsē-ˌflȯr 
variants or less commonly sea floor
plural seafloors also sea floors
: the floor of a sea or ocean : seabed
The Earth's crust, in this view, is divided into several immense plates that make up the continents and seafloors, and that all float on a hot, plastic, subterranean "mantle."
Walter Sullivan
Walter Sullivan
Example Sentences
Recent Examples on the Web The sub sank to the seafloor more than 5,000 feet below; the crew of three escaped safely. Timothy Shank, Scientific American, 1 Aug. 2022 Grown in underwater trays and lines, the shellfish are suspended far enough below the surface but off of the seafloor to protect from predators and contaminants. J.d. Simkins, Sunset Magazine, 17 May 2022 So far, only three percent of the seafloor in the conservation has been mapped. Joshua Hawkins, BGR, 11 May 2022 Floating ocean platforms equipped with direct air capture machines, like one operating now in Iceland, would pipe the CO2 gas into basalt formations that lie 350 feet below the seafloor. Eric Niiler, WSJ, 6 Mar. 2022 But after concerns expressed by the U.S. Coast Guard that the depth might not be enough to prevent damage caused by maritime activities, company officials agreed to bury the line at least 10 feet below the seafloor. Adam Elmahrek, Los Angeles Times, 17 Oct. 2021 The seafloor at the base of a blue hole acts like a calendar of past storms. J. Besl, Smithsonian Magazine, 13 June 2022 While the former has all but disappeared, its cargo remains scattered across the seafloor, Khatib said. Ashley Strickland, CNN, 30 July 2022 Oyster reefs once carpeted much of the seafloor, filtering water, stabilizing shorelines and providing habitats for a vast array of life. Kate Golembiewski, Scientific American, 27 July 2022 See More
Timothy Shank, Scientific American, 1 Aug. 2022 Grown in underwater trays and lines, the shellfish are suspended far enough below the surface but off of the seafloor to protect from predators and contaminants. J.d. Simkins, Sunset Magazine, 17 May 2022 So far, only three percent of the seafloor in the conservation has been mapped. Joshua Hawkins, BGR, 11 May 2022 Floating ocean platforms equipped with direct air capture machines, like one operating now in Iceland, would pipe the CO2 gas into basalt formations that lie 350 feet below the seafloor. Eric Niiler, WSJ, 6 Mar. 2022 But after concerns expressed by the U.S. Coast Guard that the depth might not be enough to prevent damage caused by maritime activities, company officials agreed to bury the line at least 10 feet below the seafloor. Adam Elmahrek, Los Angeles Times, 17 Oct. 2021 The seafloor at the base of a blue hole acts like a calendar of past storms. J. Besl, Smithsonian Magazine, 13 June 2022 While the former has all but disappeared, its cargo remains scattered across the seafloor, Khatib said. Ashley Strickland, CNN, 30 July 2022 Oyster reefs once carpeted much of the seafloor, filtering water, stabilizing shorelines and providing habitats for a vast array of life. Kate Golembiewski, Scientific American, 27 July 2022 See More Word History
First Known Use
1853, in the meaning defined above