- The definition of seropositive is the results of a blood test that show the presence of a specific antibody in the blood serum.
A blood test that shows you have a specific viral disease is an example of something that would be described as a seropositive test.
Used by arrangement with John Wiley & Sons, Inc.
- seˌro·posˌi·tivˈi·ty noun
seropositive - Medical Definition