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sea level
noun
: the average height of the sea's surface
Full Definition of SEA LEVEL
: the level of the surface of the sea especially at its mean position midway between mean high and low water
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First Known Use of SEA LEVEL
1806
Rhymes with SEA LEVEL
SEA LEVEL Defined for Kids
sea level
noun
Definition of SEA LEVEL for Kids
: the surface of the sea halfway between the average high and low tides
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