|krōˌnaksē, ˈkrä-, ̷ ̷ˈ ̷ ̷ ̷ ̷ noun
also chro·nax·ia ̷ ̷ˈ ̷ ̷sēə ; or chro·naxy ˈ ̷ ̷ˌ ̷ ̷sē, ̷ ̷ˈ ̷ ̷ ̷ ̷
( plural chronaxies also chronaxias )
Etymology: French chronaxie, from chron- + Greek axia value, from axios worthy, weighing as much as — more at axiom
physiology : the minimum time required for excitation of an excitable structure (as a nerve cell) by a constant electric current of twice the threshold voltage — compare rheobase