fiseind

Icelandic

Etymology

From fis- (“light”) +‎ eind (“particle”).

Pronunciation

• IPA^(key): /ˈfɪːsˌeint/

Noun

fiseind f (genitive singular fiseindar, nominative plural fiseindir)

1. a neutrino (en elementary particle with extremely small mass and no electric charge)

Declension

Declension of fiseind (feminine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fiseind	fiseindin	fiseindir	fiseindirnar
accusative	fiseind	fiseindina	fiseindir	fiseindirnar
dative	fiseind	fiseindinni	fiseindum	fiseindunum
genitive	fiseindar	fiseindarinnar	fiseinda	fiseindanna

Derived terms

• fiseind mýeindar (muon neutrino)
• fiseind rafeindar (electron neutrino)
• sólfiseindaeining (solar neutrino unit)

See also

• hraðeind