electromyogram e·lec·tro·my·o·gram (ĭ-lěk'trō-mī'ə-grām')
n.
Abbr. EMG
A graphic record of the electrical activity of a muscle as recorded by an electromyograph.
| a chattering or flighty, light-headed person. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |