toxoid
tox.oid \'ta:k-.so.id\ n [ISV] : a toxin of a pathogenic organism treated so as to destroy its toxicity b ut leave it capable of inducing the formation of antibodies on injection
Webster's English Dictionarytox.oid \'ta:k-.so.id\ n [ISV] : a toxin of a pathogenic organism treated so as to destroy its toxicity b ut leave it capable of inducing the formation of antibodies on injection