Submitted by György Chityil ... on Sat, 01/20/2018 - 00:48 Hierarchy: NounDescription: {{isotope}} The radioactive isotope of actinium, {{nuclide|227|89|Ac}}, having a half-life of 21.7 yearsNgram: radioactiniumNgram Text: radioactiniumSource: WiktionaryIssue: 0Wiktionary tag: isotopenuclideNgram Count: 1
