follow Dictionary.com

Why was clemency trending last week?

rheostat

[ree-uh-stat] /ˈri əˌstæt/
noun, Electricity
1.
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.
Origin of rheostat
1843
1843; rheo- + -stat
Related forms
rheostatic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
British Dictionary definitions for rheostatic

rheostat

/ˈriːəˌstæt/
noun
1.
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
Derived Forms
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
Cite This Source
Word Origin and History for rheostatic

rheostat

n.

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.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
rheostatic in Science
rheostat
  (rē'ə-stāt')   
See under resistor.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for rheostat

Few English speakers likely know this word

Word Value for rheostatic

0
15
Scrabble Words With Friends

Nearby words for rheostatic