Submitted by György Chityil ... on Fri, 01/19/2018 - 18:00 Hierarchy: NounDescription: {{biology}} {{rfc-def|topic=biology}} A retrovirus part of an species' genome through long-ago infection.Ngram: endogenous retrovirusNgram Text: endogenous retrovirusSource: WiktionaryIssue: 0Wiktionary tag: biologyrfc-defNgram Count: 2