Examples from the Web for rheostatic
The motors are controlled by rheostatic controllers, one for each motor.The New York Subway|Anonymous
British Dictionary definitions for rheostatic
Word Origin and History for rheostatic
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.