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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Inside the International Space Station, more than 250 miles above sea level, the NASA astronaut became the first person to run a marathon in space. Ryan Johnston, CNBC, 19 Mar. 2025 Harvested from the highest portion of the vineyard—at 1,000 feet above sea level—the clone 114 Pinot Noir spent a short time in a small fermenter and was pressed directly into the concrete egg. Mike Desimone and Jeff Jenssen, Robb Report, 18 Mar. 2025 Located in the Himalayas near the China-Nepal border, Mount Everest is said to be the planet's highest mountain above sea level. Randall Colburn, EW.com, 16 Mar. 2025 Hummel said sea levels are rising rapidly across the globe. Matthew Adams, Fort Worth Star-Telegram, 4 Mar. 2025 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

Browse Nearby Words

Cite this Entry

“Sea level.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20level. Accessed 28 Mar. 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

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