Submitted by György Chityil ... on Fri, 01/19/2018 - 23:22 Hierarchy: NounDescription: {{isotope}} {{medicine}} The radioactive isotope of iodine, {{nuclide|131|53|I}}, having a half-life of 8 days; used as a medical tracerNgram: iodine-131Ngram Text: iodine-131Source: WiktionaryIssue: 0Wiktionary tag: isotopenuclide53iNgram Count: 1