9 Grammatical Pitfalls


[suhb-stey-shuh n] /ˈsʌbˌsteɪ ʃən/
a branch of a main post office.
an auxiliary power station where electrical current is converted, as from AC to DC, voltage is stepped up or down, etc.
Origin of substation
1885-90; sub- + station Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for substation
  • The culprit: a large rodent, identified as a rat in some reports, burned out switches in a campus substation.
  • The cars have to be designed so they can be recharged safely and easily and without taking down the neighborhood power substation.
  • Another possibility: roping together thousands of batteries, planting them at a substation, and storing wind or solar power.
  • He was handcuffed, taken to the airport's police substation, and interrogated.
  • Good hydro facilities in current operation are producing power at a penny or two per kWh at the substation.
  • Now the utility has installed a six-megawatt battery at the substation to deliver electricity to the town during outages.
  • The substation has no transmission lines going to it.
  • There is no joint plan supporting such a substation or the lines that will be needed.
  • The electricity travels along high-voltage lines to a power substation.
  • Each substation and the individual items of equipment contained therein should be periodically inspected.
British Dictionary definitions for substation


a subsidiary station
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

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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