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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These changes in seawater chemistry are not only measurable in the ocean’s surface waters. Grrlscientist, Forbes.com, 22 June 2025 In order to become sick, someone would have to ingest large quantities of uranium, Albright said, pointing out that the element can be found naturally in seawater and the earth’s crust. Emma Burrows, Chicago Tribune, 14 June 2025 Blakeney explained how evacuation often is ordered due to storm surge — the abnormal rise in seawater level during a storm. Abigail Hasebroock, Sun Sentinel, 11 June 2025 Scientists have cited the iconic birds of paradise of Indonesia, Papua New Guinea and Australia as inspiration for a new evaporation technology that may improve desalination of seawater. Ian Rose, Smithsonian Magazine, 10 June 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 5 Jul. 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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