Normalnull

German

Alternative forms

• Normal-Null

Etymology

From normal (“normal”) +‎ Null (“zero”).

Pronunciation

• IPA^(key): /nɔrˈmaːlnʊl/

• Audio (Germany (Berlin)):

  (file)

Noun

Normalnull n (strong, genitive Normalnulls, no plural)

1. (oceanography) The mean altitude of sea level; mean sea level.

   Synonyms: NN, Meeresspiegel

   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 Normalhöhennull (NHN) in 1993.

Declension

Declension of Normalnull [sg-only, neuter, strong]

	singular
	indef.	def.	noun
nominative	ein	das	Normalnull
genitive	eines	des	Normalnulls
dative	einem	dem	Normalnull
accusative	ein	das	Normalnull

Further reading

• “Normalnull” in Duden online
• “Normalnull”, in Digitales Wörterbuch der deutschen Sprache‎^[1] (in German)
• Normalnull on the German Wikipedia.Wikipedia ^de