sea·​mount | \ ˈsē-ˌmau̇nt How to pronounce seamount (audio) \

Definition of seamount

: a submarine mountain rising above the deep-sea floor

Examples of seamount in a Sentence

Recent Examples on the Web

That conundrum motivated the voyage to the seamount. Warren Cornwall, Science | AAAS, "Mountains hidden in the deep sea are biological hot spots. Will mining ruin them?," 12 Sep. 2019 That development is encouraging, especially because many of the deep-sea corals that live on these seamounts grow only a few microns to millimeters a year. Scientific American, "Ballistic Maggots, Synthetic Winks and Why You’re Not Goop: This Week’s Best Science GIFs," 9 Aug. 2019 And in the case of underwater mountains called seamounts, that mark is literal. Scientific American, "Ballistic Maggots, Synthetic Winks and Why You’re Not Goop: This Week’s Best Science GIFs," 9 Aug. 2019 These relatively thin layers of mineral deposits form over the hard surfaces of seamounts, some of the most biodiverse features in the deep ocean. Nathanial Gronewold, Scientific American, "Seabed-Mining Foes Press U.N. to Weigh Climate Impacts," 16 July 2019 There are a few similarities between this new structure and Hawaii's Lō'ihi seamount, an underwater volcano growing south of Kīlauea, adds Ken Rubin, a volcanologist at the University of Hawaii at Mānoa who specializes in underwater eruptions. National Geographic, "Strange waves rippled around Earth. Now we may know why.," 21 May 2019 The submarine will plunge down to Lō`ihi, a seamount off the coast of the Big Island of Hawaii. John Wenz, Popular Mechanics, "NASA Is Launching a Submarine to the Seafloor," 13 Aug. 2018 Small atolls and seamounts northwest of the Main Hawaiian Islands are also believed to have been formed by the hot spot. Audrey Mcavoy, Fox News, "Hawaii has 5 other active volcanoes in addition to Kilauea," 31 May 2018 Nearly the size of Connecticut, this new designation encompasses many of the unique canyons, seamounts and species in the deep New England waters. Smithsonian, "Do Ocean Preserves Actually Work?," 5 Jan. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seamount.' 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 seamount

1941, in the meaning defined above

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Dictionary Entries near seamount

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seam roller

Statistics for seamount

Last Updated

17 Sep 2019

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Time Traveler for seamount

The first known use of seamount was in 1941

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More from Merriam-Webster on seamount

Rhyming Dictionary: Words that rhyme with seamount Encyclopedia article about seamount

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to spread over or through

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