seawater

noun

sea·​wa·​ter ˈsē-ˌwȯ-tər How to pronounce seawater (audio)
-ˌwä-
: water in or from the sea

Examples of seawater in a Sentence

Recent Examples on the Web
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Most of the continent is covered in ice or seawater, and the uplifted rock on Antarctica is part of the TAM. Emilie Le Beau Lucchesi, Discover Magazine, 5 July 2025 Bushels of shrimp and what seemed like barrels of seawater and half-digested food spewed up from the maw of the shark. Donald Millus, Outdoor Life, 3 July 2025 Fuel for fusion is abundant, derived from a form of hydrogen found in seawater and tritium extracted from lithium. Ella Nilsen, CNN Money, 30 June 2025 Images and videos showcase the women’s jeans in motion, from soaking in seawater and creasing on the sand to fading under the sun. Angela Velasquez, Sourcing Journal, 25 June 2025 See All Example Sentences for seawater

Word History

First Known Use

before the 12th century, in the meaning defined above

Time Traveler
The first known use of seawater was before the 12th century

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Cite this Entry

“Seawater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seawater. Accessed 13 Jul. 2025.

Kids Definition

seawater

noun
sea·​wa·​ter ˈsē-ˌwȯt-ər How to pronounce seawater (audio)
-ˌwät-
: water in or from the sea

More from Merriam-Webster on seawater

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