substation

noun

sub·​sta·​tion ˈsəb-ˌstā-shən How to pronounce substation (audio)
: a subordinate or subsidiary station: such as
a
: a branch post office
b
: a subsidiary station in which electric current is transformed
c
: a police station serving a particular area

Examples of substation in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The third risk is the spiderweb-like grid that connects hundreds of power plants, substations, and consumers. Javier Blas/bloomberg Opinion, Boston Herald, 29 Apr. 2025 Heathrow — Europe’s busiest airport — closed down last week after a fire broke out at a nearby electrical substation that supplies it with power. Chloe Taylor, CNBC, 24 Mar. 2025 Transport for London reported that there is no service between Hayes & Harlington station—close to the substation—and Heathrow. Thomas G. Moukawsher, Newsweek, 21 Mar. 2025 An electric substation is a part of an electrical system that transforms voltage, and connects different grids, among other functions. Saman Shafiq, USA Today, 8 May 2025 See All Example Sentences for substation

Word History

First Known Use

1833, in the meaning defined above

Time Traveler
The first known use of substation was in 1833

Browse Nearby Words

Cite this Entry

“Substation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/substation. Accessed 29 May. 2025.

Kids Definition

substation

noun
sub·​sta·​tion ˈsəb-ˌstā-shən How to pronounce substation (audio)
1
: a branch post office
2
: a subsidiary station in which electric current is transformed

More from Merriam-Webster on substation

Last Updated: - Updated example sentences
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