Substation

noun

noun ·3 syllables ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A site where electricity supplied by long-distance (high-voltage) transmission lines is transformed or regulated for local (low-voltage) distribution.

    "The utility now wants the network to be undergrounded in the urban areas, which would mean substations with 33 kV distribution swtichgear."

  2. 2
    a subsidiary station where electricity is transformed for distribution by a low-voltage network wordnet
  3. 3
    A satellite police station serving one neighborhood or part of a larger jurisdiction.
  4. 4
    A branch post office.
  5. 5
    Any subordinate station.

Synonyms

All synonyms
switchyard

Example

More examples

"The utility now wants the network to be undergrounded in the urban areas, which would mean substations with 33 kV distribution swtichgear."

Etymology

From sub- + station.

Related phrases

police stationtransmission line

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.