Dictionary
chro•nax•ie
Pronunciation: (krō'nak-sē, kron'ak-), [key]—
n. Physiol.
the minimum time that an electric current of twice the threshold strength must flow in order to excite a tissue.
Also,chro'nax•y.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.