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

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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, "Mobility Scooter Showdown: Whill Model A vs. Golden Tech Buzzaround EX vs. Pride Mobility Victory 10 LX," 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

Time Traveler

The first known use of rheostat was in 1843

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Statistics for rheostat

Cite this Entry

“Rheostat.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rheostat. Accessed 24 Jan. 2021.

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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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