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 SullivanExamples of seafloor in a Sentence
Recent Examples on the Web
In his executive order, Trump instructed federal agencies to expedite the process for reviewing and issuing permits for mining on the seafloor in both U.S. and international territory.
—Julia Simon, NPR, 25 Apr. 2025
This gear stores the rope and buoy with a trap on the seafloor until an acoustic release mechanism sends the buoy to the surface.
—Jason Mastrodonato, Mercury News, 4 Apr. 2025
Current mining regulations focus primarily on the seafloor, overlooking broader ecosystem impacts.
—Alexus Cazares-Nuesser, The Conversation, 25 Mar. 2025
Of the approximately 300 species of octopus scattered across every ocean on Earth, the vast majority of them live on the seafloor, with only a few types sometimes venturing closer to the water's surface.
—Mary Walrath-Holdridge, USA TODAY, 24 Mar. 2025
See All Example Sentences for seafloor
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Julia Simon, NPR, 25 Apr. 2025
This gear stores the rope and buoy with a trap on the seafloor until an acoustic release mechanism sends the buoy to the surface.
—Jason Mastrodonato, Mercury News, 4 Apr. 2025
Current mining regulations focus primarily on the seafloor, overlooking broader ecosystem impacts.
—Alexus Cazares-Nuesser, The Conversation, 25 Mar. 2025
Of the approximately 300 species of octopus scattered across every ocean on Earth, the vast majority of them live on the seafloor, with only a few types sometimes venturing closer to the water's surface.
—Mary Walrath-Holdridge, USA TODAY, 24 Mar. 2025
See All Example Sentences for seafloor
Cite this Entry
“Seafloor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seafloor. Accessed 5 May. 2025.
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