immunosorbent Syllabification: (im·mu·no·sorb·ent)Pronunciation: /ˌimyənōˈsôrbənt, -ˈzôr-, iˌmyo͞o-/Definition of immunosorbent adjective Biochemistry relating to or denoting techniques making use of the absorption of antibodies by insoluble preparations of antigens. immunosorbent in other Oxford dictionaries Definition of immunosorbent in the British & World English dictionary