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 researchers have proposed creating sand dunes and vegetation barriers along Alexandria’s coastline to block the encroaching seawater and prevent it from seeping under buildings. Mostafa Salem, CNN, 27 Feb. 2025 Typically, if a plane is submerged in seawater, its emergency transmitter would send a signal to a satellite, alerting the Coast Guard. Yaakov Katz, Newsweek, 8 Feb. 2025 The team is building a detector on the floor of the Mediterranean Sea that can identify those rare occasions when a neutrino happens to interact with the seawater nearby. John Timmer, Ars Technica, 12 Feb. 2025 Over a two-month conditioning period, the study team placed the turtles in small buckets of artificial seawater and exposed them to two different magnetic fields for equal durations. Julianna Bragg, CNN, 12 Feb. 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 12 Mar. 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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