Submitted by György Chityil ... on Fri, 01/19/2018 - 23:40 Hierarchy: NounDescription: {{sense|of blood serum}} Testing negative for a given pathogen, ''especially'' HIV.Ngram: seronegativeNgram Text: seronegativeSource: WiktionaryIssue: 0Wiktionary tag: senseof blood serumNgram Count: 1