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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For the frosted flatwoods salamander, a threatened species, the change was more severe—seawater was pushed into their freshwater breeding habitats, imperiling their survival. Jeff Vandermeer, Travel + Leisure, 11 June 2026 The bones also were coated with a light layer of minerals from the surrounding seawater, which may have prevented them from degrading. ABC News, 10 June 2026 Farmed oysters still grow in natural seawater, still filter-feed on wild phytoplankton, and still take on the flavor of wherever they're grown. Bridget Shirvell, Martha Stewart, 9 June 2026 His only source of liquid came from small amounts of seawater and his own urine, per China Daily. Gabrielle Rockson, PEOPLE, 9 June 2026 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 13 Jun. 2026.

Kids Definition

seawater

noun
sea·​wa·​ter ˈsē-ˌwȯt-ər How to pronounce seawater (audio)
-ˌwät-
: water in or from the sea

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