/euh lek'seuh fahr"mik/ , Med.
adj.
1. warding off poisoning or infection; antidotal; prophylactic.
n.
2. an alexipharmic agent, esp. an internal antidote.
[ 1665-75; obs. alexipharm ( ac ) antidote ( alexiphármakon, equiv. to alexi- averter (see ALEXIN) + phármakon poison, drug) + -IC; see PHARMACY ]