noun
- an antibody that forms a visible precipitate when it combines with its specific antigen
Usage: immunology; biochemistry
Examples
- The precipitin test revealed the presence of specific antibodies in the patient’s blood.
- Scientists used precipitin reactions to identify the unknown protein.
- The formation of precipitin complexes is a key diagnostic tool in immunology.
- Precipitins help researchers study antigen-antibody interactions in the laboratory.
- The precipitin band appeared clearly in the gel after the immunodiffusion test.
- Medical technicians rely on precipitin assays to detect certain diseases.