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mean sea level

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noun
(in the UK) the sea level used by the Ordnance Survey as a datum level, determined at Newlyn in CornwallSee sea level
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

How to use mean sea level in a sentence

Scientific definitions for mean sea level

mean sea level

See under sea level.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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