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.
Under shallow burial conditions, residual seawater trapped in the sediment continues to form dolomite at medium-high temperatures. David Bressan, Forbes.com, 8 Apr. 2025 Many of those homes had been built on wetlands that once served as a buffer against rising seawater. James Barron, New York Times, 8 Apr. 2025 Scientists at Northwestern University grew this stuff out of seawater, electricity and CO2. Michael Irving, New Atlas, 19 Mar. 2025 The tech can also remove CO2 from seawater and make calcium carbonate as a byproduct. Katie Fehrenbacher, Axios, 19 Mar. 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

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Cite this Entry

“Seawater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seawater. Accessed 16 Apr. 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

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