chronaxie

noun
chron·​ax·​ie | \ ˈkrō-ˌnak-sē How to pronounce chronaxie (audio) , ˈkrä- \
variants: or less commonly chronaxy

Definition of chronaxie

: the minimum time required for excitation of a structure (such as a neuron) by a constant electric current of twice the threshold voltage

First Known Use of chronaxie

1922, in the meaning defined above

History and Etymology for chronaxie

borrowed from French, from Greek chrónos "time" + axía "worth, value," noun derivative (perhaps via *axi-ia) of áxios "of like value, worth, worthy" — more at chrono-, axiom

Note: The term chronaxie was introduced by the French neuroscientist Louis Lapicque (1866-1952) in "Définition expérimentale de l'excitabilité," Comptes rendus hebdomedaires des séances et mémoires de la Société de Biologie, 61e année, Année 1909, tome second, p. 283.

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The first known use of chronaxie was in 1922

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Cite this Entry

“Chronaxie.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chronaxie. Accessed 25 Feb. 2020.

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More Definitions for chronaxie

chronaxie

noun
chron·​ax·​ie
variants: or chronaxy \ ˈkrōn-​ˌak-​sē How to pronounce chronaxy (audio) , ˈkrän-​ How to pronounce chronaxy (audio) \ also chronaxia \ krō-​ˈnak-​sē-​ə How to pronounce chronaxia (audio) , krə-​ How to pronounce chronaxia (audio) , krän-​ˈak-​ \
plural chronaxies also chronaxias

Medical Definition of chronaxie

: the minimum time required for excitation of a structure (as a nerve cell) by a constant electric current of twice the threshold voltage — compare rheobase

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