hraðeind

Icelandic

Etymology

From hrað- (“tachy-”) +‎ eind (“particle”), compare hraði (“speed”) and hraður (“fast”).

Pronunciation
  • IPA(key): [ˈr̥aːðeint]

Noun

hraðeind f (genitive singular hraðeindar, nominative plural hraðeindir)

  1. (physics) tachyon

Declension
declension of hraðeind
f-s2 singular plural
indefinite definite indefinite definite
nominative hraðeind hraðeindin hraðeindir hraðeindirnar
accusative hraðeind hraðeindina hraðeindir hraðeindirnar
dative hraðeind hraðeindinni hraðeindum hraðeindunum
genitive hraðeindar hraðeindarinnar hraðeinda hraðeindanna

See also
  • fiseind
  • ljósfrár, yfir ljóshraða (superluminal)
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