precipitin

https://doi.org/10.1351/goldbook.13597
Precipitate of antibody and multivalent antigen due to the formation of high-molecular-weight complexes.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1233 [Terms] [Paper]