Icelandic

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Etymology

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From hulda (secrecy) +‎ efni (matter).

Pronunciation

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Noun

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hulduefni n (genitive singular hulduefnis, no plural)

  1. (astronomy) dark matter

Declension

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    Declension of hulduefni
n-s singular
indefinite definite
nominative hulduefni hulduefnið
accusative hulduefni hulduefnið
dative hulduefni hulduefninu
genitive hulduefnis hulduefnisins

See also

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