seronegative

[ seer-oh-neg-uh-tiv ]

adjective

, Medicine/Medical.

1. showing no significant level of serum antibodies, or other immunologic marker in the serum, that would indicate previous exposure to the infectious agent being tested.

seronegative

/ ˌsɪərəʊˈnɛɡətɪv /

adjective

1. (of a person whose blood has been tested for a specific disease, such as AIDS) showing no serological reaction indicating the presence of the disease

Word History and Origins

Origin of seronegative¹

First recorded in 1930–35; sero- + negative