Found 2 items, similar to rheostat.
English → English (WordNet) Definition: rheostat rheostat n : resistor for regulating current [syn: variable resistor]
English → English (gcide) Definition: Rheostat Rheostat \Rhe"o*stat\ (r[=e]"[-o]*st[a^]t), n. [Gr. "rei^n + stato`s standing still.] (Elec.) A contrivance for adjusting or regulating the strength of electrical currents, operating usually by the intercalation of resistance which can be varied at will. --Wheatstone. --Rhe`o*stat"ic, a. [1913 Webster]