toxoid

noun

1. 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.

noun

1. a toxin that has been treated to reduce its toxicity and is used in immunization to stimulate production of antitoxins

n.

1. A substance that has been treated to destroy its toxic properties but that retains the capacity to stimulate production of antitoxins, used in immunization.

1. A substance that is normally toxic but has been treated to destroy its toxic properties without eliminating its capacity to stimulate the production of antitoxins by the immune system.