Submitted by György Chityil ... on Fri, 01/19/2018 - 23:49 Hierarchy: NounDescription: {{physics}} Form of the {{l|en|hydrogen}} molecule in which the two nuclei have parallel spin; about 75% of natural hydrogen.Ngram: orthohydrogenNgram Text: orthohydrogenSource: WiktionaryIssue: 0Wiktionary tag: physicshydrogenNgram Count: 1
