|antə̇|drämik adjective
or an·tid·ro·mal (ˈ)an|tidrəməl
Etymology: anti- (I) + drom- + -ic or -al
: proceeding or conducting on a course opposite in direction to the usual — used especially of a nerve impulse or fiber
• an·ti·drom·i·cal·ly |antə̇|drämə̇k(ə)lē adverb