The American Heritage® Dictionary of the English Language, 4th Edition
n. An instrument used in the diagnosis of neuromuscular disorders that produces an audio or visual record of the electrical activity of a skeletal muscle by means of an electrode inserted into the muscle or placed on the skin.
n. a device used in electromyography to generate electromyograms
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a medical instrument that records the electrical waves associated with the activity of skeletal muscles
Word Usage
"The user controlling the "hand" wears a wristband-like electromyograph sensor, which causes the robotic appendage to react according to muscle contractions."