nadmoské
Nadmořská (often written nadmoská in texts that omit diacritics) is an adjective used in Czech and Slovak to describe something relating to altitude above mean sea level. The standard spellings are nadmořská in Czech and nadmorská in Slovak; the unaccented variant appears in non-diacritic contexts.
In geographic and technical usage, nadmořská výška, or elevation, denotes the height of a location or object
Nadmořská výška is distinguished from depth below sea level and from local height references that might use
See also: sea level, elevation, geodesy, cartography, aviation.