termoiónico

== Spanish == === Adjective === termoiónico (feminine termoiónica, masculine plural termoiónicos, feminine plural termoiónicas) thermionic === Further reading === “termoiónico”, 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