retroacción

== Spanish == === Noun === retroacción f (plural retroacciones) (technical) feedback (signal that is looped back to control a system within itself) Synonym: retroalimentación === Further reading === “retroacción”, 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