Definition of action current
: an electric current arising from a variation of potential occurring during activity in living tissue (such as a muscle or nerve)
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
First Known Use of action current
Seen and Heard
What made you want to look up action current? Please tell us where you read or heard it (including the quote, if possible).