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 As the burning of fossil fuels and other human activities continue to increase the levels of carbon dioxide in the atmosphere, the ocean is absorbing a large portion of the CO2, which is making seawater more acidic. Ian James, Los Angeles Times, 11 Apr. 2024 That alkaline outflow would mix with C02 in the ambient seawater to create bicarbonate, which is a stable way to store carbon. IEEE Spectrum, 26 Mar. 2024 See all Example Sentences for seawater 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'seawater.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 6 May. 2024.

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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!