Submitted by György Chityil ... on Fri, 01/19/2018 - 23:31 Hierarchy: NounDescription: {{inorganic chemistry|physics}} Any chemical element from the main group.Ngram: main group elementNgram Text: main group elementSource: WiktionaryIssue: 0Wiktionary tag: inorganic chemistryphysicsNgram Count: 3
