aktīnijs

== Latvian == === Etymology === Through a European language, from Ancient Greek ἀκτίς (aktís), ἀκτῖν- (aktîn-, “ray”), because of its radiation. === Pronunciation === IPA(key): [aktīːnijs] === Noun === aktīnijs m (1st declension) actinium (a metallic chemical element with atomic number 89.) aktīnija izotopi ― actinium isotopes aktīnijs ir radioaktīvs metāls ― actinium is a radioactive metal ==== Declension ====