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In another development, Genuine H2 and researchers from Brunel University of London plan to turn seawater into hydrogen that can be used as fuel.—Aman Tripathi, Interesting Engineering, 9 Oct. 2025 The cycle swings between warmer and cooler seawater in a region along the equator in the tropical Pacific.—Doyle Rice, USA Today, 9 Oct. 2025 Andrés was standing there, slightly out of breath, dripping seawater.—Catherine Lacey, New Yorker, 5 Oct. 2025 At high tide, waves surge through the rocks sending seawater into plumes, sometimes up to fifty feet high.—Kelsey Glennon, Southern Living, 3 Oct. 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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