seawater

noun

sea·​wa·​ter ˈsē-ˌwȯ-tər 

-ˌwä-

: water in or from the sea

Examples of seawater in a Sentence

Recent Examples on the Web

Now supported by the US Department of Energy’s Hydropower and Hydrokinetic Office, the team is working on methods to extract these materials from seawater. — Georgina Jedikovska, Interesting Engineering, 14 July 2026

The very next day, Bahrain accused Iran of firing a drone that damaged a desalination plant—a facility absolutely critical to the tiny Gulf state for converting seawater into drinking water. — Sarah Yerkes, Time, 10 July 2026

Based on the benefits of seawater, this therapy was already recognized in the 1960s in France, where Farnós studied at one of Europe’s oldest thalassotherapy and functional rehabilitation centers in Collioure. — Condé Nast, Condé Nast Traveler, 9 July 2026

Consistent with that, the temperature of the water at the nearby instruments started rising at the same time, suggesting that magma was interacting with the seawater. — John Timmer, ArsTechnica, 8 July 2026

Word History

First Known Use

before the 12th century, in the meaning defined above

Rhymes for seawater

• backwater
• bathwater
• blackwater
• breakwater
• deepwater
• edgewater
• feedwater
• floodwater
• freshwater
• granddaughter
• groundwater
• headwater

Kids Definition

seawater

noun

sea·​wa·​ter ˈsē-ˌwȯt-ər 

-ˌwät-

: water in or from the sea