mean sea level
noun
(in the UK) the sea level used by the Ordnance Survey as a datum level, determined at Newlyn in CornwallSee sea level
Nearby words
mean life, mean line, mean noon, mean planet, mean proportional, mean sea level, mean solar day, mean solar time, mean square, mean square deviation, mean sun
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Science definitions for mean sea level
mean sea level
See under sea level.
The American Heritage® Science Dictionary
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