Submitted by György Chityil ... on Fri, 01/19/2018 - 17:13 Hierarchy: NounDescription: {{isotope}} An isotope of hydrogen formed of one proton and one neutron in each atom - {{nuclide|2|1|H}}.Ngram: deuteriumNgram Text: deuteriumSource: WiktionaryIssue: 0Wiktionary tag: isotopenuclide21HNgram Count: 1Wikokit WikiText ID: 520865