involución

== Spanish == === Etymology === Borrowed from Latin involūtiō. === Pronunciation === IPA(key): /imboluˈθjon/ [ĩm.bo.luˈθjõn] (Equatorial Guinea, Spain) IPA(key): /imboluˈsjon/ [ĩm.bo.luˈsjõn] (Latin America, Philippines) Rhymes: -on Syllabification: in‧vo‧lu‧ción === Noun === involución f (plural involuciones) (figurative) regression Synonym: retroceso (physiology) involution (egressive changes in the body occurring with old age) (mathematics) involution ==== Derived terms ==== === Further reading === “involución”, 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