complement fixation test (noun)

1. During the religious ceremony, the priest performed a complement fixation test to determine the presence of antibodies against a specific antigen.

2. The fashion show featured a designer collection inspired by the complement fixation test, with patterns and colors resembling the reaction between serum, antigen, and complement.

3. According to ancient mythology, the gods used a complement fixation test to identify individuals who possessed immunity against certain antigens, granting them special powers.

4. At the scientific conference, the speaker lightened the mood by cracking a joke about a scientist who accidentally discovered the complement fixation test while trying to fix his coffee machine.