: 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.
In 2022, gunmen attacked two electrical substations in North Carolina, knocking out power to roughly 45,000 customers for multiple days. — Todd J. Stein, Fortune, 7 Oct. 2026 The panel investigated a network of officers of the Departmental Law Enforcement Unit selling ammunition to gangs, primarily operating out of the Pat-Chawal police substation in the Saint-Marc area . — Jacqueline Charles, Miami Herald, 7 Oct. 2026 Fellow OutKick writer and hockey fanatic Matt Reigle even asked me if there were any electrical substations located near Amarant Bank Arena. — Austin Perry Outkick, FOXNews.com, 7 Oct. 2026 Site work is ongoing at the Amazon Web Services development at 61st Avenue and Colorado Street, such as grading of the land, development of temporary buildings used by construction workers and engineers and building of a NIPSCO substation on-site. — Jeff Danielson, Chicago Tribune, 3 Oct. 2026 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 13 Oct. 2026.

Kids Definition

substation

noun
1
: a branch post office
2
: a subsidiary station in which electric current is transformed

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