fisionar

== Spanish == === Verb === fisionar (first-person singular present fisiono, first-person singular preterite fisioné, past participle fisionado) to fission ==== Conjugation ==== === Further reading === “fisionar”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025