Rhē'o-scōpe, n.
n. [Gr. ῥεῖν, to flow, and σκοπεῖν, to perceive.] (Physics.) An instrument for detecting the movement of currents, as of galvanism, &c.
n. [Gr. ῥεῖν, to flow, and σκοπεῖν, to perceive.] (Physics.) An instrument for detecting the movement of currents, as of galvanism, &c.