Group agglutination
group agglutination n.
The clumping of antibodies specific for a group of antigens common to several bacteria, each of which possesses its own specific antigen.
Read Also:
- Group agglutinin  group agglutinin n. An agglutinin specific for a group antigen. Also called cross-reacting agglutinin, minor agglutinin, partial agglutinin. 
- Group-annuity  noun, Insurance. 1. a plan in which the members of a group, usually employees of the same company, receive annuities upon retirement. 
- Group antigen  group antigen n. Any of several antigens that are shared by related genera of microorganisms. 
- Group a streptococcus  group A streptococcus n. A common but virulent streptococcus that kills the tissue it infects and produces toxins that trigger a form of shock that affects the vital organs. 
- Group captain  noun 1. an officer holding commissioned rank senior to a wing commander but junior to an air commodore in the RAF and certain other air forces 
