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 amount of frozen seawater fluctuates during the year as the ice thaws and regrows between seasons, according to NASA’s Earth Observatory. Doyle Rice, USA TODAY, 23 Oct. 2024 On average, phytoplankton are only five to 10 percent heavier than seawater. Laura Baisas, Popular Science, 17 Oct. 2024 Zetland points out that countries with a coastline will always have the option of removing the salt from seawater—a solution that water-scarce countries like Saudi Arabia, Kuwait, and Oman already rely on for most of their drinking water, and one that Australia turns to in times of drought. Ole Ellekrog, WIRED, 19 Sep. 2024 The cycle swings between warmer and cooler seawater in a region along the equator in the tropical Pacific. Doyle Rice, USA TODAY, 23 Oct. 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 23 Nov. 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!