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 Each motor unit has a rotary encoder, tension sensor, and current and temperature sensing circuit. IEEE Spectrum, 4 Mar. 2010 Once your ice is frozen, put it into the ice crusher cup, and place the motor unit on top. Lauren Taylor, Southern Living, 19 Aug. 2023 The motor system undergoes a second profound remodeling in older people during healthy ageing that results in further domination of slow muscle fibers and slowing down motor unit activity, simulating the condition of hypergravitation (G>1). Ncbi Rofl, Discover Magazine, 7 Mar. 2013 In normal gravitation, comfortable temperature and normoxia decreases the motor unit activity (MU) firing rate to a level, characteristic for the regular Earth condition. Ncbi Rofl, Discover Magazine, 7 Mar. 2013 The shortage has affected the special operations unit, which investigates violent crimes; the motor unit, which provides traffic enforcement; the neighborhood policing division, which coordinates homeless outreach efforts, and others. San Diego Union-Tribune, 3 July 2022 The Fazua’s seven-pound battery-motor unit is slim, and so sleek in its integration that most passersby assume it’s a regular bike, not an e-bike. Kelly Bastone, Outside Online, 24 July 2021 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

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'motor unit.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1925, in the meaning defined above

Time Traveler
The first known use of motor unit was in 1925

Dictionary Entries Near motor unit

Cite this Entry

“Motor unit.” Dictionary, Merriam-Webster, Accessed 15 Apr. 2024.

Medical Definition

motor unit

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