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substation

[ suhb-stey-shuhn ]

noun

  1. a branch of a main post office.
  2. an auxiliary power station where electrical current is converted, as from AC to DC, voltage is stepped up or down, etc.


substation

/ ˈʌˌٱɪʃə /

noun

  1. a subsidiary station
  2. an installation at which electricity is received from one or more power stations for conversion from alternating to direct current, reducing the voltage, or switching before distribution by a low-tension network
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of substation1

First recorded in 1885–90; sub- + station
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Example Sentences

Examples have not been reviewed.

Heathrow airport closed for a day in late March after a fire at a nearby substation cut power and resulted in 1,300 cancelled flights, with thousands of passengers affected.

From

Rajdeep Roy, vice president of transmission operations and substations for Edison, told The Times that the revision came after the Jan. 7 fires, and it was the only change made at the time.

From

The airport was shut down for more than a day in March after a fire at a nearby electrical substation.

From

So he bought a historic substation in Cypress Park, determined to make it an artistic hub where he and others could get back to youthful creativity that’s often “quelled” by industry expectations, Ehrenreich said.

From

Airport bosses have been criticised for their decision to shut Heathrow down following the claim that it had enough power despite the substation fire.

From

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