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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
During the late Eocene and early Oligocene epochs, sea levels dropped as glaciers formed in Antarctica, narrowing the oceanic gap between continents.
—Scott Travers, Forbes, 11 Jan. 2025
Editor’s picks The geography of the Pacific Palisades caused another difficulty in efforts to combat the flames: its hilly landscape covers elevations from sea level up to 1,500 feet, and water pressure in those higher places fell as the tanks were used up.
—Miles Klee, Rolling Stone, 10 Jan. 2025
Stand on a step exactly one mile above sea level
While other state capitals may be at higher elevations than Denver (hello Cheyenne and Santa Fe), only the Colorado State Capitol can boast a marker that is exactly 5,280 feet above sea level.
—Mindy Sink, The Denver Post, 9 Jan. 2025
The train stops at over 14,000 feet above sea level, where riders can get off and enjoy 360-degree views from the top of the mountain, including sights of the Continental Divide and the Rocky Mountain Range.
—Evie Carrick, Travel + Leisure, 8 Jan. 2025
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Word History
First Known Use
1806, in the meaning defined above
Dictionary Entries Near sea level
Cite this Entry
“Sea level.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20level. Accessed 14 Jan. 2025.
Kids Definition
sea level
noun
: the height of the surface of the sea midway between the average high and low tides
More from Merriam-Webster on sea level
Nglish: Translation of sea level for Spanish Speakers
Britannica.com: Encyclopedia article about sea level
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