Origin of rheostat
Examples from the Web for rheostat
And that force can be very easily varied by the use of an instrument called a "rheostat" or variable resistance.Marvels of Scientific Invention|Thomas W. Corbin
The speed of each horse, moreover, can be regulated at will by means of a rheostat interposed in its particular circuit.
The Commander hobbled toward it, and manipulated a rheostat.The Sky Trap|Frank Belknap Long
Our rod is now a rheostat, whose use we shall presently discover.Inventors at Work|George Iles
A movable contact arm that slides over and presses on the turns of wire is fixed to the knob on top of the rheostat.The Radio Amateur's Hand Book|A. Frederick Collins
1843, coined by English physicist Sir Charles Wheatstone (1802-1875) from Greek rheos "a flowing, stream" (from PIE root *sreu-, see rheum) + -stat "regulating device." Related: Rheostatic.