Submitted by György Chityil ... on Fri, 01/19/2018 - 20:25 Hierarchy: NounDescription: {{sociology}} Marriage or similar union between people of different sexes, or social strata, such as races{{,}}.Ngram: heterogamyNgram Text: heterogamySource: WiktionaryIssue: 0Wiktionary tag: sociologyNgram Count: 1