'Rheotome' definitions:

Definition of 'Rheotome'

From: GCIDE

Rheotome \Rhe"o*tome\ (r[=e]"[-o]*t[=o]m), n. [Gr. "rei^n to flow + te`mnein to cut.] (Elec.) An instrument which periodically or otherwise interrupts an electric current. --Wheatstone. [1913 Webster]