Intended for, applying to, or acting on a particular thing, Designating a disease produced by a particular microorganism or condition, Designating a customs charge levied on merchandise by unit or weight rather than according to value, noun_ A remedy intended for a particular ailment or disorder, A definite substance in the serum of an animal that gives rise to a special kind of immunity, Something adapted or expected to produce a specific effect; that which is, or is supposed to be, capable of infallibly bringing about a desired result; especially, a remedy which cures, or tends to cure, a certain disease, whatever may be its manifestations, as mercury used as a remedy for syphilis