noun Physiology.

the minimum electric current required to excite a given nerve or muscle.

Origin of rheobase

First recorded in 1920–25; rheo- + base1
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British Dictionary definitions for rheobase



physiol the minimum nerve impulse required to elicit a response from a tissue
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

rheobase in Medicine




The minimal strength of an electrical stimulus that is able to cause excitation of a tissue.
Related formsrhe′o•basic adj.
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