seronegative

== English == === Etymology === From sero- + negative. === Adjective === seronegative (not comparable) Testing negative for a given pathogen, especially HIV. (of blood serum) Having seronegative blood serum. (of a person or animal) ==== Antonyms ==== (antonym(s) of “of serum”): seropositive (antonym(s) of “of a person”): seropositive ==== Derived terms ==== ==== Translations ==== === Noun === seronegative (plural seronegatives) Such a serum of person