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 plane was believed to be equipped with an emergency locating transmitter that sends notice to the Coast Guard when exposed to seawater. Brian Niemietz, New York Daily News, 8 Feb. 2025 If exposed to seawater, the device sends a signal to a satellite, which then relays that message back to the Coast Guard to indicate an aircraft may be in distress. Hallie Golden, Chicago Tribune, 8 Feb. 2025 That data allowed scientists to map out ratios of strontium isotopes in seawater over time. Bruce J. MacFadden, The Conversation, 3 Feb. 2025 Their carbon dioxide removal plant in Port Angeles, Washington, called Project Macoma, will use an electrochemical process to split seawater into acidic and basic portions. IEEE Spectrum, 23 Dec. 2024 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

Dictionary Entries Near seawater

Cite this Entry

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