Medicine and Biology. The process by which cells, microorganisms, or particles form insoluble clumps in the presence of antibody or certain other…

(a) Medicine agglutination of red blood cells in their own serum, esp. as a result of the action of an autoantibody; (b) Biology spontaneous…

the action or process of hæmagglutinating.

agglutination of cells of an individual by a substance obtained from another individual of the same species.

isoagglutination of red blood cells.

agglutination of cells due to the action of a hetero-agglutinin.