actínio

== Portuguese == === Etymology === Probably borrowed from French actinium, from New Latin actīnium, from Ancient Greek ἀκτίς (aktís, “ray”). === Pronunciation === (Northeast Brazil) IPA(key): [akˈtiniu] Hyphenation: ac‧tí‧ni‧o === Noun === actínio m (usually uncountable, plural actínios) (chemistry) actinium (chemical element) === Further reading === “actínio”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026 “actínio”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026