MEANING
Water in or taken from the sea, containing dissolved salts and other substances.
Use it for
distinguishing ocean water from freshwater; describing salt water entering a boat or building; identifying the source of a marine water sampleIdentifies water from the sea without treating all salty liquids as marine water. Writing functions: Ocean water.
Words that belong together
- seawater samples
- seawater temperature
- seawater intrusion
On the page
Seawater seeped through the damaged seal around the window.
The researchers collected seawater at three depths.
Word forms
- Base
- seawater
Usage notes
Mass noun: seawater. Also written sea water; count samples or bodies of seawater rather than seawaters in ordinary use. Register: neutral. Commonness: common (dictionary-informed qualitative editorial estimate; not a measured frequency).
Practice this word in a sentenceYour margin notes
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