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also chro·nax·y  (krō′năk′sē, krŏn′ăk′-)
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.

[French : Greek khronos, time + Greek axiā, value (from axios, worthy; see ag- in Indo-European roots).]


(ˈkrəʊnæksɪ) or


(Physiology) 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 response. Compare rheobase
[C20: from French, from chrono- + Greek axia worth, from axios worthy, of equal weight]


or chro•nax•y

(ˈkroʊ næk si, ˈkrɒn æk-)

the minimum time that an electric current of twice the threshold strength must flow in order to excite a muscle or nerve tissue.
[1915–20; < French, =chron- chron- + -axie < Greek axía worth, value]
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ACCIAC-CATURA and ALEMBIC, LATRODECTUS MACTANS and NEUTRAL DENSITY POINT, CHIAROSCURO and PROPRIOCEPTION and TESTUDO and ANNULATE and BRICOLAGE and CATALEPT and GERRYMANDER and SCOPOPHILIA and LAERTES--and all of a sudden it occurs to Gately the aforethought EXTRUDING, STRIGIL and LEXICAL themselves--and LORDOSIS and IMPOST and SINISTRAL and MENISCUS and CHRONAXY and POOR YORICK and LUCULUS and CERISE MONTCLAIR and then DE SICA NEO-REAL CRANE DOLLY and CIRCUMAMBIENTFOUNDDRAMALEVIRAT- EMARRIAGE and then more lexical terms and words speeding up to chipmunkish and then HELIATED and then all the way up to a sound like a mosquito on speed, and Gately tries to clutch both his temples with one hand and scream, but nothing comes out.