chronaxie or chro·nax·y [kroh-nak-see, kron-ak-] Word Origin noun Physiology.
- the minimum time that an electric current of twice the threshold strength must flow in order to excite a tissue.
Origin of chronaxie 1915–20; French, equivalent to chron- chron- + -axie Greek axía worth, value British Dictionary definitions for chronaxie chronaxie chronaxy noun
- physiol the minimum time required for excitation of a nerve or muscle when the stimulus is double the minimum (threshold) necessary to elicit a basic responseCompare rheobase
Word Origin for chronaxie C20: from French, from chrono- + Greek axia worth, from axios worthy, of equal weight chronaxie in Medicine chronaxie n. pl. chro•nax•ies
- The minimum interval of time necessary to electrically stimulate a muscle or nerve fiber, using twice the minimum current needed to elicit a threshold response.