carbonífero

== Spanish == === Adjective === carbonífero (feminine carbonífera, masculine plural carboníferos, feminine plural carboníferas) Carboniferous === Noun === carbonífero m (uncountable) Carboniferous === Further reading === “carbonífero”, 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