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

  1. mean life,
  2. mean line,
  3. mean noon,
  4. mean planet,
  5. mean proportional,
  6. mean solar day,
  7. mean solar time,
  8. mean square,
  9. mean square deviation,
  10. mean sun

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


Science 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.