proterozoico

== Portuguese == === Pronunciation === Hyphenation: pro‧te‧ro‧zoi‧co === Adjective === proterozoico (feminine proterozoica, masculine plural proterozoicos, feminine plural proterozoicas) (geology) Proterozoic (relating to the eon from 2,500 to 541 million years ago) === Further reading === “proterozoico”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026 “proterozoico”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026 == Spanish == === Adjective === proterozoico (feminine proterozoica, masculine plural proterozoicos, feminine plural proterozoicas) (geology) Proterozoic (relating to the eon from 2,500 to 541 million years ago) === Further reading === “proterozoico”, 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