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 fact is, it is widely believed Rockies hitters and pitchers having to go back and forth between sea level and a mile high is among the biggest detriments to their success. Kevin Acee, San Diego Union-Tribune, 4 May 2026 Sitting at 2,407 feet above sea level, there are almost 2,800 acres of granite boulders that look out on nearly 400,000 acres (so definitely as far as the eye can see) of the Talladega National Forest and Cheaha Wilderness. Tara Massouleh McCay, Southern Living, 2 May 2026 Scientists are keen to learn more about their formation in order to reconstruct all the changes in climate, ocean conditions, and sea levels and thus better understand contemporary coastal erosion. ArsTechnica, 2 May 2026 Back when the general plan was created in 2004, there wasn’t even any mention of climate resilience — the effects of sea level rise and eroding beaches had not yet taken hold. Laylan Connelly, Oc Register, 2 May 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 7 May. 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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