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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However, since it’s naturally found in warm marine waters, people with open wounds can be exposed to Vibrio vulnificus through direct contact with seawater. Miami Herald, 3 June 2026 However, since it's naturally found in warm marine waters, people with open wounds can be exposed to Vibrio vulnificus through direct contact with seawater. Cbs Miami Team, CBS News, 3 June 2026 Unlike lithium, chloride is abundant and can be sourced from seawater. Neetika Walter, Interesting Engineering, 3 June 2026 If you're stung, leave the water and rinse the area with seawater rather than fresh water. Jessica Safavimehr, Southern Living, 3 June 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 6 Jun. 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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