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The rainwater is said to have mixed with mineral-rich sediment and seawater, creating a vivid, blood-red scene.—Emma Bussey, FOXNews.com, 18 Dec. 2025 Aida and his team aimed to design a plastic that responds naturally to seawater without complex processing.—Aamir Khollam, Interesting Engineering, 16 Dec. 2025 The cycle swings between warmer and cooler seawater in a region along the equator in the tropical Pacific.—Marina Johnson, Louisville Courier Journal, 12 Dec. 2025 The cycle swings between warmer and cooler seawater in a region along the equator in the tropical Pacific.—Doyle Rice, USA Today, 11 Dec. 2025 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
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