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substation

[suhb-stey-shuh n] /ˈsʌbˌsteɪ ʃən/
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.
Origin of substation
1885-1890
1885-90; sub- + station
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for substation
Contemporary Examples
Historical Examples
  • By this circuit the transmitter at the substation is supplied with current.

  • They'll be doing fine if they make it to the substation in another two weeks.

    Legacy James H Schmitz
  • Reaching town, Andy turned aside to the State Police substation.

    Swamp Cat James Arthur Kjelgaard
  • These earth-return cables are connected in series with special low-voltage dynamos (called negative boosters) at the substation.

  • Having received its experimental material, the plasmoid requested the Devagas to stay away from the substation for a while.

    Legacy James H Schmitz
  • I just went to the substation and checked out with the squad.

    Warren Commission (12 of 26): Hearings Vol. XII (of 15) The President's Commission on the Assassination of President Kennedy
  • "Then they'll show up at the substation again four or five days behind us," the Commissioner said.

    Legacy James H Schmitz
  • So could the fact that they had constructed the substation for it—in itself a grave breach of Federation treaties.

    Legacy James H Schmitz
British Dictionary definitions for substation

substation

/ˈsʌbˌsteɪʃən/
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 Origin and History for substation
n.

1881, in the policing sense, from sub- + station (n.). Power grid sense is attested from 1901.

Online Etymology Dictionary, © 2010 Douglas Harper
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