complement-fixation test

[kom-pluh-muhnt-fik-sey-shuhn]

noun

Medicine/Medical.

1. a test for diagnosing an infectious disease by detecting the presence of antibody in the blood, based on the fixing of a known quantity of complement to the antigen being tested and the specific antibody that combines with it. CFT

complement fixation test

noun

1. med a serological test for detecting the presence of a specific antibody or antigen, used in the diagnosis of syphilis, etc

Word History and Origins

Origin of complement fixation test¹

First recorded in 1910–15