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.
No measurable impact on marine life or the local environment was detected, as the radioactive material dilutes rapidly in seawater.—Munis Raza, Interesting Engineering, 24 Mar. 2026 In response, Iran threatened to destroy the seawater desalination plants that its neighbors are dependent on, Fortune’s Jason Ma reports.—Jim Edwards, Fortune, 23 Mar. 2026 Desalination, the process of creating drinkable water from seawater, is critical to supplying water across Israel and many of Iran’s Gulf neighbors.—Chantal Da Silva, NBC news, 22 Mar. 2026 Blue Lagoon Skin Science’s gentle foaming cleanser, packed with microalgae, Icelandic seawater, and silica, provides both antioxidant protection and hydration.—Conçetta Ciarlo, Vogue, 19 Mar. 2026 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