hyrna

See also: hýrna and hyrne

Icelandic
A 3-simplex, also known as a ferflötungur, fjórflötungur, þrístrend strýta or þrístrendur píramíti (“a tetrahedron”).

Etymology

From Old Norse hyrna, from Proto-Germanic *hurnijǭ. Related to horn (“an angle, a corner”).

Pronunciation
  • IPA(key): /ˈhɪrtna/
  • Rhymes: -ɪrtna

Noun

hyrna f (genitive singular hyrnu, nominative plural hyrnur)

  1. a carton in the shape of a tetrahedron or a triangular pyramid
  2. (geometry, topology) a simplex

Declension
declension of hyrna
f-w1 singular plural
indefinite definite indefinite definite
nominative hyrna hyrnan hyrnur hyrnurnar
accusative hyrnu hyrnuna hyrnur hyrnurnar
dative hyrnu hyrnunni hyrnum hyrnunum
genitive hyrnu hyrnunnar hyrna hyrnanna

Derived terms
derived terms from hyrna (“a carton”)
  • mjólkurhyrna
  • þríhyrna
derived terms from hyrna (“a simplex”)
  • hyrnuaðferð (the simplex method)
  • hyrnubákn (simplicial complex)
  • hyrnufruma (simplicial cell)
  • hyrnukeðja (simplicial chain)
  • hyrnunálgun (simplicial approximation)
  • hyrnurit (simplex algorithm)
  • hyrnusvipfræði (simplicial homology)
  • hyrnuvörpun (simplicial mapping)
  • hyrnuþyrping (simplicial complex)

See also

Further reading

Norwegian Nynorsk

Etymology 1

From Middle Norwegian hyrni n, from Old Norse hyrna f, from Proto-Germanic *hurnijǭ f.

Alternative forms

Noun

hyrna n (definite singular hyrna, indefinite and definite plural hyrno)

  1. corner ((pre-1938) alternative form of hyrne n)

hyrna

  1. plural definite of hyrne n

Noun

hyrna f (definite singular hyrna, indefinite plural hyrner or hyrnor, definite plural hyrnene or hyrnone)

  1. horned animal ((pre-2012) alternative form of hyrne f)

hyrna

  1. singular definite of hyrne

References

Old Norse

Etymology

From Proto-Germanic *hurnijǭ, feminine diminutive of *hurną whence Old Norse horn. Ultimately from Proto-Indo-European *ḱerh₂-.

Noun

hyrna f

  1. point of an axe-head
  2. a corner

Declension
  Declension of hyrna (weak ōn-stem)
feminine singular plural
indefinite definite indefinite definite
nominative hyrna hyrnan hyrnur hyrnurnar
accusative hyrnu hyrnuna hyrnur hyrnurnar
dative hyrnu hyrnunni hyrnum hyrnunum
genitive hyrnu hyrnunnar hyrna hyrnanna

Descendants
  • Icelandic: hyrna f
  • Middle Norwegian: hyrni n
  • Old Swedish: hyrna
  • Danish: hjørne n

References
  • “hyrna”, in Geir T. Zoëga (1910) A Concise Dictionary of Old Icelandic, Oxford: Clarendon Press
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.