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. tachyon

Declension

Declension of hraðeind (feminine)
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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