seawater
/ˈsiˌwɔtər/
noun
- The salt water that fills the oceans and seas.
- Seawater is too salty to drink, but it can be desalinated for fresh water.
- The swimmer accidentally swallowed some seawater and coughed.
- Many marine animals, like fish and whales, live in seawater their entire lives.
Antonyms