rheostat definition by Webster's New World
a variable resistor for changing the resistance of an electrical circuit without interrupting the circuit, used as for regulating the brightness of electric lights
Origin: rheo- plush -stat
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- rheostatic adjective
rheostat definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A continuously variable electrical resistor used to regulate current.
- rheˌo·statˈic adjective
rheostat - Computer Definition
rheostat - Science Definition
See under resistor.