sea level (zn):
Level of the ocean's surface (especially that halfway between mean high and low tide); used as a standard in reckoning land elevation or sea depth
zeeniveau, zeespiegel
Via: Ensyns.nl
sea level (zn):
zeeniveau(en) —.
(de) Höhe des Wasserstandes des Meeres., zeespiegel(en) —.
(de) Höhe des Wasserstandes des Meeres., nul(ja) 「高度ゼロメートル」.
Via: Dbnary en WikiWoordenboeken
Via: Memodata.com