rheostat

noun
rheo·stat | \ˈrē-ə-ˌstat \

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 \ 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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Dictionary Entries near rheostat

rheopexy

rheophilic

rheoplankton

rheostat

rheotrope

rheotropic

rhes

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Time Traveler for rheostat

The first known use of rheostat was in 1843

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More Definitions for rheostat

rheostat

noun
rheo·stat | \ˈrē-ə-ˌstat \

Medical Definition of rheostat 

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

Other Words from rheostat

rheostatic \ˌrē-ə-ˈstat-ik \ adjective

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More from Merriam-Webster on rheostat

See words that rhyme with rheostat

Britannica English: Translation of rheostat for Arabic Speakers

Britannica.com: Encyclopedia article about rheostat

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