fiseind

== Icelandic == === Etymology === From fis- (“light”) +‎ eind (“particle”). === Pronunciation === IPA(key): /ˈfɪːsˌeint/ === Noun === fiseind f (genitive singular fiseindar, nominative plural fiseindir) a neutrino (en elementary particle with extremely small mass and no electric charge) ==== Declension ==== ==== Derived terms ==== fiseind mýeindar (“muon neutrino”) fiseind rafeindar (“electron neutrino”) sólfiseindaeining (“solar neutrino unit”) ==== See also ==== hraðeind