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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The structure also holds a hermetically sealed, or airtight, AI server that is cooled by surrounding seawater. Sasha Rogelberg, Fortune, 14 May 2026 The cycle swings between warmer and cooler seawater in a region along the equator in the tropical Pacific. Doyle Rice, USA Today, 14 May 2026 The Opatija cure consisted of seawater dunks, yogurt baths, wine baths, and lounging in louvered pavilions to inhale the pure air. Kevin West, Travel + Leisure, 8 May 2026 There were about two hundred people gathered in the wreckage of the lobby, which was full of seawater and detritus. Angela Andaloro, PEOPLE, 4 May 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 17 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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