sea level

noun

: the level of the surface of the sea especially at its mean position midway between mean high and low water compare ground level sense 1a

Examples of sea level in a Sentence

Recent Examples on the Web
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The earthquake's epicenter was approximately 14 miles east-northeast of San Ardo and occurred above sea level. Ca Earthquake Bot, Sacbee.com, 18 Mar. 2026 During the Pleistocene epoch, fluctuating sea levels sometimes reduced the distance between Taiwan and mainland Asia. Hanna Wickes, Charlotte Observer, 17 Mar. 2026 During periods of lower sea levels, the distance between Taiwan and mainland Asia shrank. Hanna Wickes, Miami Herald, 17 Mar. 2026 Anza-Borrego Desert State Park is 600,000 acres with elevations ranging from about sea level to over 6,000 feet above sea level. Mindy Sink, Denver Post, 16 Mar. 2026 See All Example Sentences for sea level

Word History

First Known Use

1806, in the meaning defined above

Time Traveler
The first known use of sea level was in 1806

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Cite this Entry

“Sea level.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20level. Accessed 22 Mar. 2026.

Kids Definition

sea level

noun
: the height of the surface of the sea midway between the average high and low tides

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