Definition of "substation" [substation]

• A subsidiary or branch station, as of a post office or an electric utility. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Everything at a substation is hot, in that shock the bejeezus out of you sense."
• "Maxwell said getting power to all residents attached to the substation is a priority above finding out the cause of the fire."
• "In March 2005, Halliburton subsidiary KBR announced that it had completed work on the Al Ameen substation, which is to supply up to 1,000 MW of power to Baghdad."