Cymoscope
Also found in: Wikipedia.
Cy´mo`scope
n. | 1. | (Elec.) Any device for detecting the presence of electric waves. The influence of electric waves on the resistance of a particular kind of electric circuit, on the magnetization of steel, on the polarization of an electrolytic cell, or on the electric condition of a vacuum has been applied in the various cymoscopes. |
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.