substation

/ˈsʌbsteɪʃən/
noun
  1. A place where electricity is transformed and distributed to local areas.
    • The power substation supplies electricity to the entire neighborhood.
    • A new substation was built to handle the growing demand for power.
    • Workers are repairing the substation after the storm damaged the transformers.
  2. A secondary or subordinate station, such as a police or fire station that serves a part of a larger area.
    • A fire substation was opened near the industrial park to improve response times.
    • The main post office has a substation in the shopping center.
    • The police substation handles calls from the northern part of the city.
What does "substation" mean? | whatsthatwordmean | whatsthatwordmean