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.
The cycle swings between warmer and cooler seawater in a region along the equator in the tropical Pacific. Doyle Rice, USA Today, 16 Sep. 2025 Within minutes, a slick, three-inch-deep puddle of seawater coated the boat’s deck. Martin Suarez, Rolling Stone, 13 Sep. 2025 Paluel is also one of the many power stations that draws seawater directly from the ocean as a coolant for its inner workings. Atharva Gosavi, Interesting Engineering, 5 Sep. 2025 Like France, both of these plants draw seawater directly from the coast. Theo Burman shane Croucher, MSNBC Newsweek, 4 Sep. 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 17 Sep. 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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