a toxin rendered nontoxic by treatment with chemical agents or by physical means and used for administration into the body in order to produce specific immunity by stimulating the production of antibodies.
tox·oid (tŏk'soid') n. A substance that has been treated to destroy its toxic properties but retains the capacity to stimulate production of antitoxins, used in immunization.
Main Entry: tox·oid Pronunciation: 'täk-"soid Function: noun : a toxin of a pathogenic organism treated so as to destroy its toxicity but leaveit capable of inducing the formation of antibodies on injection toxoid> called also anatoxin
toxoid tox·oid (tŏk'soid') n. A substance that has been treated to destroy its toxic properties but that retains the capacity to stimulate production of antitoxins, used in immunization.