bus bar

noun

: a conductor or an assembly of conductors for collecting electric currents and distributing them to outgoing feeders

Examples of bus bar in a Sentence

Recent Examples on the Web
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Add the mass of the ancillary battery equipment—including the bus bars, cooling system, and battery management system—and the energy density of the entire system drops by half, giving the batteries a pitiful 1 percent of the raw energy density of gasoline. IEEE Spectrum, 26 Feb. 2016

Word History

First Known Use

1888, in the meaning defined above

Time Traveler
The first known use of bus bar was in 1888

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Cite this Entry

“Bus bar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bus%20bar. Accessed 7 Aug. 2025.

Last Updated: - Updated example sentences
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