rheostat

noun
rheo·​stat | \ ˈrē-ə-ˌstat How to pronounce rheostat (audio) \

Definition of rheostat

: a resistor for regulating a current by means of variable resistances

Other Words from rheostat

rheostatic \ ˌrē-​ə-​ˈsta-​tik How to pronounce rheostat (audio) \ adjective

Examples of rheostat in a Sentence

Recent Examples on the Web A rheostat allows the throttle to be fine-tuned to sustain walking speeds. John Pearley Huffman, Car and Driver, 21 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rheostat.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of rheostat

1843, in the meaning defined above

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Time Traveler for rheostat

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The first known use of rheostat was in 1843

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Dictionary Entries Near rheostat

rheoplankton

rheostat

rheotrope

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Cite this Entry

“Rheostat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rheostat. Accessed 22 May. 2022.

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More Definitions for rheostat

rheostat

noun
rheo·​stat | \ ˈrē-ə-ˌstat How to pronounce rheostat (audio) \

Medical Definition of rheostat

: a resistor for regulating a current by means of variable resistances

Other Words from rheostat

rheostatic \ ˌrē-​ə-​ˈstat-​ik How to pronounce rheostat (audio) \ adjective

More from Merriam-Webster on rheostat

Britannica English: Translation of rheostat for Arabic Speakers

Britannica.com: Encyclopedia article about rheostat

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