an adjustable resistor so constructed that its resistance may be changed without opening the circuit in which it is connected, thereby controlling the current in the circuit.
- rhe·o·stat·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use rheostat in a sentence
The binding post E of the rheostat is connected to the base binding post J.
This can, however, be accomplished by means of a small rheostat placed in series with the motor.
The rheostat acts in an electrical circuit in just the same way a valve does in a hydraulic circuit.
A very simple and inexpensive rheostat may be constructed as follows: Procure a piece of thin fiber, about 1/16 in.
That gives you your direction, and the rheostat here at the belt changes the velocity.Islands of Space | John W Campbell
British Dictionary definitions for rheostat
a variable resistance, usually consisting of a coil of wire with a terminal at one end and a sliding contact that moves along the coil to tap off the current
- rheostatic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for rheostat
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.