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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Outer Banks at risk Tropical storm and storm surge watches are in effect for parts of the Outer Banks and coastal North Carolina, which means tropical storm winds and higher-than-normal sea levels are possible. Dinah Voyles Pulver, USA Today, 20 Aug. 2025 Since 1970, the North Carolina coastline has experienced an average sea level rise of 7 inches, according to the Interagency Task Force on Sea Level Change. Julia Jacobo, ABC News, 20 Aug. 2025 With an average elevation of just one meter (3.3 feet) above sea level, the Maldives is the world’s lowest-lying country and therefore at substantial risk. Zoe Whitfield, CNN Money, 12 Aug. 2025 The German island has nearly 1,400 residents, whose modest homes are split between an Unterland at sea level and an Oberland perched on the rim of a grassy plateau, dotted with sheep and free-wheeling seabirds. Quanta Magazine, 8 Aug. 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 4 Sep. 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

Last Updated: - Updated example sentences
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