seamount

noun

sea·​mount ˈsē-ˌmau̇nt How to pronounce seamount (audio)
: a submarine mountain rising above the deep-sea floor

Examples of seamount in a Sentence

Recent Examples on the Web Extracting those metals would mean deploying robots to strip the upper layers of seamounts and sulfide deposits. Todd Woody, Fortune Europe, 13 Jan. 2024 While prototypes of polymetallic nodule collectors have been deployed in the Pacific Ocean, machines to mine seamounts and sulfide deposits remain untested. Todd Woody, Fortune Europe, 13 Jan. 2024 Cocos Island [an island and national park located in the Pacific Ocean, some 500 kilometers [310 miles] off the Costa Rican coast] is part of a series of seamounts. Smithsonian Magazine, 3 Jan. 2024 The other contracts cover nodules in the Western Pacific Ocean and Indian Ocean, as well as massive sulfide deposits at hydrothermal vents in the Atlantic and Indian Oceans, and cobalt crusts that line the flanks and summits of seamounts at various Pacific sites. Olive Heffernan, Scientific American, 15 Aug. 2023 The streamers of pumice (likely each less than a few kilometers across) from the July 18, 2012 eruption of Havre seamount spreading across the Pacific Ocean. Erik Klemetti, Discover Magazine, 22 Aug. 2012 The reefs and seamounts lie within the Galápagos Marine Reserve (GMR), a swath of the eastern Pacific Ocean spanning some 133,000 square kilometers. Jack Tamisiea, Scientific American, 2 Nov. 2023 The ambient temperature of water around the seamount is about 35 degrees Fahrenheit, according to Monterey Bay Aquarium Research Institute scientists. Faith E. Pinho, Los Angeles Times, 30 Aug. 2023 Lisa Levin, a deep-sea biologist who was not involved in the study, noted that other studies had found warmth around seamounts and shown that other animals live around underwater volcanoes. Faith E. Pinho, Los Angeles Times, 30 Aug. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'seamount.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of seamount was in 1941

Dictionary Entries Near seamount

Cite this Entry

“Seamount.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seamount. Accessed 22 Feb. 2024.

Kids Definition

seamount

noun
sea·​mount ˈsē-ˌmau̇nt How to pronounce seamount (audio)
: a submarine mountain

More from Merriam-Webster on seamount

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