substation

noun

sub·​sta·​tion ˈsəb-ˌstā-shən 

: a subordinate or subsidiary station: such as

a

: a branch post office

b

: a subsidiary station in which electric current is transformed

c

: a police station serving a particular area

Examples of substation in a Sentence

Recent Examples on the Web

There were also 27 source outages at substations which are key portions of the electric system that also must be repaired and replaced. — Carole Carlson, Chicago Tribune, 20 Aug. 2026

Three of their substations went completely dark during the storm, affecting large portions of the county, Interim County Administrator Alan Howze said. — Ben Wheeler, Kansas City Star, 20 Aug. 2026

Aguayo cited the multiple improvements the company has made to the grid, including replacing 17,771 wood poles, adding five new transmission and distribution substations, and replacing 306 miles of distribution cable. — Noelle Phillips, Denver Post, 19 Aug. 2026

The two-story red brick building was originally built as a city police substation not long after Fort Worth took over the former separate city of North Fort Worth. — Bud Kennedy, Fort Worth Star-Telegram, 18 Aug. 2026

Word History

First Known Use

1833, in the meaning defined above

Rhymes for substation

• ablation
• aeration
• bination
• carnation
• cassation
• castration
• causation
• centration
• cessation
• cetacean
• chelation
• citation

Kids Definition

substation

noun

sub·​sta·​tion ˈsəb-ˌstā-shən 

1

: a branch post office

2

: a subsidiary station in which electric current is transformed