seronegative

[ seer-oh-neg-uh-tiv ]
/ ˌsɪər oʊˈnɛg ə tɪv /

adjective Medicine/Medical.

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.

Origin of seronegative

First recorded in 1930–35; sero- + negative

British Dictionary definitions for seronegative

seronegative
/ (ˌsɪərəʊˈnɛɡətɪv) /

adjective

(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

Medical definitions for seronegative

seronegative
[ sîr′ō-nĕgə-tĭv ]

adj.

Having a negative reaction to a serological test for a disease, especially to a test for syphilis or AIDS.