radiactividad

== Spanish == === Etymology === From radiactivo + -dad. === Pronunciation === IPA(key): /radjaɡtibiˈdad/ [ra.ð̞jaɣ̞.t̪i.β̞iˈð̞að̞] Rhymes: -ad Syllabification: ra‧diac‧ti‧vi‧dad === Noun === radiactividad f (uncountable) radioactivity Synonym: radiación === Further reading === “radiactividad”, 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