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.
Despite being 100 meters from the sea, seawater reaches the beach through underground tunnels, resulting in a natural saltwater pool. Cecilia Rodriguez, Forbes.com, 4 May 2025 When evaporating seawater isn’t replaced by water from the Everglades, bay salinity levels can double normal ocean salinity, Davis explained. David Fischer, Los Angeles Times, 21 Apr. 2025 Marine reptiles were thought to be cold-blooded, their body temperature determined by the surrounding seawater. Riley Black, Smithsonian Magazine, 17 Apr. 2025 Workers at the plant tried frantically to contain the damage, by, for example, spraying seawater from fire hoses and rigging up car batteries to supply power. Elizabeth Kolbert, New Yorker, 7 Apr. 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

Browse Nearby Words

Cite this Entry

“Seawater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seawater. Accessed 19 May. 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

Last Updated: - Updated example sentences
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