ANTITOXIN

[an.ti.tox.in] n [ISV] (ca. 1890): an antibody that is capable of neutralizing the specific toxin (as a specific causative agent of disease) that stimulated its production in the body and is produced in animals for medical purposes by injection of a toxin or toxoid with the resulting serum being used to counteract the toxin in other individuals; also: an antiserum containing antitoxins