sub·​sta·​tion | \ ˈsəb-ˌstā-shən How to pronounce substation (audio) \

Definition of substation

: 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 The sheriff's office has a substation at the airport. Joe Taschler, Milwaukee Journal Sentinel, 13 July 2021 Chris Katra from the department’s Alpine substation. Alex Riggins, San Diego Union-Tribune, 12 July 2021 On top of the electrical problems, the Freud station's power supply was interrupted because the substation feeding power to the pumping station was damaged and out of service, McCormick said. Joe Guillen, Detroit Free Press, 3 July 2021 The kitchen is still screened off by a brass teller’s window and letterboxes taken from some postal substation. Ron Grossman,, 1 July 2021 On Monday, the high heat and high demand for power caused transformers to heat up, creating a danger of explosions and problems were detected at four substation transformers, Rosentrater said. CBS News, 1 July 2021 There was no immediate indication of any connection between the website attack and the substation explosion. Jamiel Lynch, Luis Rodriguez And Andy Rose, CNN, 10 June 2021 Deputies are asking the public to be on the lookout for an arrestee who slipped out of the department’s Lemon Grove substation Friday morning. Teri Figueroa, San Diego Union-Tribune, 4 June 2021 Alaghmandan worked for 20 years as a VTA substation manager. Chronicle Staff Report, San Francisco Chronicle, 27 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'substation.' 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 substation

1833, in the meaning defined above

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Time Traveler for substation

Time Traveler

The first known use of substation was in 1833

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Statistics for substation

Last Updated

16 Jul 2021

Cite this Entry

“Substation.” Dictionary, Merriam-Webster, Accessed 23 Jul. 2021.

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English Language Learners Definition of substation

: a place where the strength of electricity is changed as the electricity passes through on its way from the power plant to homes and businesses
: a police station that serves a particular area

More from Merriam-Webster on substation Encyclopedia article about substation


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