from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An instrument that measures electrical potentials on the scalp and generates a record of the electrical activity of the brain. Also called encephalograph.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An instrument used for recording of electrical brain activity.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. medical instrument that records electric currents generated by the brain
Sorry, no etymologies found.