Rheostat
Pronunciation : Rhe"o*stat
Part of Speech : n.
Etymology : [Gr. (Elec.)
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913