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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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That increase could lead to burning more fossil fuels such as coal and natural gas, which release greenhouse gases that contribute to warming temperatures, sea level rise and extreme weather. Thomas Beaumont, Fortune, 25 Nov. 2025 Ralph Regenvanu is climate change minister of Vanuatu, an island nation facing rising sea levels. NPR, 22 Nov. 2025 Crews are monitoring the ship's height relative to sea level, which remained stable in the early stages of the fire. Matthew Rodriguez, CBS News, 21 Nov. 2025 Known as Sentinel-6B, the satellite will measure sea levels and record of atmospheric temperatures. Eric Lagatta, AZCentral.com, 14 Nov. 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 30 Nov. 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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