hulduefni

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Icelandic[edit]

Icelandic Wikipedia has an article on:
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Etymology[edit]

From hulda (secrecy) +‎ efni (matter).

Pronunciation[edit]

Noun[edit]

hulduefni n (genitive singular hulduefnis, no plural)

  1. (astronomy) dark matter

Declension[edit]

See also[edit]