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.
Long ago, when our ancestors lived in oceans, the cells of those early lifeforms evolved to thrive in a solution as salty as seawater.—Jenny Lehmann, Discover Magazine, 28 Mar. 2025 Making some noise The scientists housed the sharks in large marine laboratory tanks, maintained with proper seawater conditions and food, from May 2021 to April 2022.—Julianna Bragg, CNN, 25 Mar. 2025 These hydroxide and bicarbonate ions react with other natural ions in seawater, producing solid minerals that gather at the electrodes.—Michael Irving, New Atlas, 19 Mar. 2025 As seawater creeps further into coastlines, salt threatens to pollute the freshwater reserves that people depend on.—Ars Technica, 19 Mar. 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
Share