Submitted by György Chityil ... on Fri, 01/19/2018 - 20:48 Hierarchy: NounDescription: {{isotope}} The rare isotope of helium, {{nuclide|3|2|He}}, that has a single neutronNgram: helium-3Ngram Text: helium-3Source: WiktionaryIssue: 0Wiktionary tag: isotopenuclide32heNgram Count: 1