411 REFERENCE · Wiktionary
Normalnull
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
German
Alternative forms
de Normal-Null
Etymology
de :af normal<t:normal> Null<t:zero>
From de normal Null normal zero.
Pronunciation
de /nɔrˈmaːlnʊl/
de De-Normalnull.ogg <<Germany>> (<<Berlin>>)
Noun
n.sg
de oceanography The mean altitude of sea level; mean sea level.
de NN Meeresspiegel
de 1343 Meter über Normalnull 1,343 meters above mean sea level.
Usage notes
Used as a geodesic reference point for geographical altitude in Germany from 1879–1992, replaced by de Normalhöhennull (de NHN) in 1993.
Declension
n.sg
Further reading
de
de Geography