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

Along the way Leo will take 12 flights, including two helicopter rides, give 36 speeches and visit 10 cities including Cusco, Peru, which sits more than 11,000 feet above sea level. — Carrie Kahn, NPR, 7 Nov. 2026

Other explanations included rifting, pulling and stretching of Earth’s crust, and a global drop in sea levels. — Jacek Krywko, ArsTechnica, 6 Nov. 2026

Earth’s ionosphere is a region of the upper atmosphere, extending from roughly 30 to 600 miles above sea level, where solar radiation ionizes atoms and molecules, according to the National Oceanic and Atmospheric Administration. — Don Sweeney, Sacbee.com, 5 Nov. 2026

At the researchers’ camp on Pico Trigaza, 1,600 meters above sea level, the thinner air should help a bit. — IEEE Spectrum, 5 Nov. 2026

Word History

First Known Use

1806, in the meaning defined above

Rhymes for sea level

• daredevil
• sublevel
• bevel
• devil
• multilevel

Kids Definition

sea level

noun

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