motor unit


Definition of motor unit

: a motor neuron together with the muscle fibers on which it acts

Examples of motor unit in a Sentence

Recent Examples on the Web Brown, 70, was the first woman to ride a Harley-Davidson in the motor unit. Washington Post, 26 July 2021 During his decades-long career as a police officer, Haas has served on the department's honor guard, motor unit and the police union's executive board. Quinlan Bentley, The Enquirer, 29 Apr. 2021 Between the rear wheels is a twin-motor unit that acts as a differential to give power to the rear wheels. Robert Duffer,, 12 June 2017 Both front and rear motors recapture energy when coasting to power the batteries, and the rear motor unit is automatically decoupled in certain situations, such as highway cruising, to improve efficiency. Robert Duffer,, 12 June 2017 Previously, researchers have been able to detect up to 25 individual motor units. R. Douglas Fields, Scientific American, 27 Mar. 2018

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

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First Known Use of motor unit

1925, in the meaning defined above

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Time Traveler for motor unit

Time Traveler

The first known use of motor unit was in 1925

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Dictionary Entries Near motor unit


motor unit

motor vehicle

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Statistics for motor unit

Last Updated

7 Aug 2021

Cite this Entry

“Motor unit.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2021.

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More Definitions for motor unit

motor unit


Medical Definition of motor unit

: a motor neuron together with the muscle fibers on which it acts


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