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.
These complexes also have offices for technicians to monitor equipment and substations. Claudia Levens, jsonline.com, 3 July 2025 Service on the Yellow Line between the Walnut Creek and Concord stations went dark about 12:30 p.m., because of a power outage at a substation, spokesperson Chris Filippi said. Rick Hurd, Mercury News, 3 July 2025 One of the busiest airports in the world, London Heathrow is closed today following a large fire at a nearby electrical substation that caused a power outage, USA TODAY is reporting. Chad Murphy, The Enquirer, 2 July 2025 The company also is spending $35 million to build a power substation and $80 million to build a water recycling plant to the support Memphis, Light, Gas and Water, the local utility. Preston Fore, Fortune, 17 June 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 12 Jul. 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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