from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The minimum time over which an electric current must be applied in order to stimulate a muscle fiber or nerve cell.


French : Greek khronos, time + Greek axiā, value (from axios, worthy; see ag- in Indo-European roots).
(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek χρόνος (kronos, "time") + ἄξων (aksōn, "axis") (Wiktionary)


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