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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Teams installed a main seawater valve on a waterborne carrier and performed detailed inspections of high-pressure turbine components. Sujita Sinha, Interesting Engineering, 30 Apr. 2026 Yet Israel has become a water superpower through its mastery of and investment in desalination, the process of converting seawater into freshwater. Laura Paddison, CNN Money, 28 Apr. 2026 Some resorts in the Mamanuca Islands are set to lose entire wings to the sea in the coming years, and drinking water in villages is already being infiltrated by salt from seawater seeping into ground bores. Michelle Duff, HollywoodReporter, 27 Apr. 2026 The laboratory is a teaching and research seawater laboratory and is considered a water dependent use, records show. Staff Report, Hartford Courant, 25 Apr. 2026 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

Browse Nearby Words

Cite this Entry

“Seawater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seawater. Accessed 2 May. 2026.

Kids Definition

seawater

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

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