agglutinin

English Thesaurus

1. an antibody that causes agglutination of a specific antigen (noun.substance)

hypernym	:	antibody,
definition	:	any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response (noun.substance)

hyponym	:	isoagglutinin,
definition	:	an antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species (noun.substance)