(1) The process by which suspended bacteria, cells, or other particles are caused to adhere and form into clumps; similar to precipitation, but the particles are larger and are in suspension rather than being in solution. For specific agglutination reactions in the various blood groups, see Blood Groups Appendix. (2) Adhesion of the surfaces of a wound. (3) The process of adhering. [L. ad, to, + gluten, glue]
