substation

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noun sub·sta·tion \ ˈsəb-ˌstā-shən \

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

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See substation defined for kids

Recent Examples of substation from the Web

The electric power company installed a large-scale battery at a substation that serves National Gypsum.

— dino grandoni, Washington Post, "The Energy 202: Eclipse tests growing power of renewable energy," 22 Aug. 2017
Mitch Hill, adding the center also serves as a police substation.

— forrest sellers, Cincinnati.com, "Green Township police welcome new training center," 24 July 2017
ABB, too, has designed its chargers—which ChargePoint rival EVgo will implement—with grid stabilization in mind, so that one of its 1.2-MV (AC) substations can power six of these dual-standard ultrafast chargers.

— bengt halvorson, Car and Driver, "1800 Miles per Hour: Ultrafast Charging Tech Moving Far Faster Than Anticipated," 24 July 2017
Because a We Energies substation is submerged in floodwater, thousands of people in the area without power may not have electricity restored until Friday afternoon.

— ivan moreno, The Seattle Times, "Parts of Wisconsin, Illinois recover from flooding," 13 July 2017
At any rate, information on which substations are critical is secret.

— The Economist, "The disaster that could follow from a flash in the sky," 13 July 2017
The theft occurred at the Entergy substation in the 1800 block of Julia Street.

— ben estes, NOLA.com, "Man wanted for stealing 50 pounds of copper wire from Entergy substation," 30 June 2017
A massive cemetery containing human bones and large funerary urns was found in western Managua by Nicaragua's National Electric Transmission Company, which had been digging a ditch for a substation intended to support the new stadium.

— National Geographic, "Bodies in Urns Among Artifacts Found in 1,000-Year Old Cemetery," 30 June 2017
That outage was caused when a breaker failed at the Elkhorn Boulevard and Don Julio Boulevard substation.

— molly sullivan, sacbee.com, "Parts of Citrus Heights hit with another power outage," 28 June 2017

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.

First Known Use of substation

1833

SUBSTATION Defined for English Language Learners

substation

play

noun

Definition of substation for English Language Learners

: 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