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

Keep scrolling for more

Other Words from rheostat

rheostatic \ ˌrē-​ə-​ˈsta-​tik How to pronounce rheostatic (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

Keep scrolling for more

Learn More about rheostat

Dictionary Entries near rheostat

rheopexy

rheophilic

rheoplankton

rheostat

rheotrope

rheotropic

rhes

Statistics for rheostat

Look-up Popularity

Time Traveler for rheostat

The first known use of rheostat was in 1843

See more words from the same year

Keep scrolling for more

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 rheostatic (audio) \ adjective

More from Merriam-Webster on rheostat

Rhyming Dictionary: Words that rhyme with rheostat

Britannica English: Translation of rheostat for Arabic Speakers

Britannica.com: Encyclopedia article about rheostat

Comments on rheostat

What made you want to look up rheostat? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

transposition of initial sounds of words

Get Word of the Day daily email!

Test Your Vocabulary

Word Puzzles

  • alt 57589b2b4c6a3
  • Which answer pairs best with each of the following words? living, estate, club, music, road, mile
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!