geislavirkur

== Icelandic == === Etymology === From geisli (“ray”) +‎ virkur (“active”). === Adjective === geislavirkur (comparative geislavirkari, superlative geislavirkastur) radioactive ==== Declension ==== === Further reading === “geislavirkur” in the Dictionary of Modern Icelandic (in Icelandic) and ISLEX (in the Nordic languages)