antidiphtheritic
1 of 2adjective
an·ti·diph·the·rit·ic
: preventing diphtheria especially by immunization
immunization with antidiphtheritic toxoid
antidiphtheritic
2 of 2noun
"
plural -s
: an agent that prevents or modifies the course of diphtheria
antitoxin is an antidiphtheritic
Word History
Etymology
Adjective
anti- entry 1 + diphtheritic (perhaps after French antidiphthérique)