You searched for: “rheoscope”
rheoscope
1. An instrument for detecting the presence or movement of currents of electricity.
2. A tool by which the existence of an electric current may be determined; an electroscope.
This entry is located in the following units: rheo-, rhea-, rhe-, rhy- (page 3) scopo-, scop-, scept-, skept-, -scope-, -scopy, -scopia, -scopic, -scopist (page 24)