noun
: the phenomenon involved in the interaction of an agent (as a pathogen, drug, or antigen) and members of a given species that results in a reaction characteristic for that species — compare susceptibility
noun
: the phenomenon involved in the interaction of an agent (as a pathogen, drug, or antigen) and members of a given species that results in a reaction characteristic for that species — compare susceptibility
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012