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

Instead of using costly new transmission lines or even substations, the software analyzes how the grid actually operates. — Georgina Jedikovska, Interesting Engineering, 9 July 2026

The 15-acre site is about 2½ miles from a PG&E substation at 6402 Santa Teresa Blvd. — George Avalos, Mercury News, 8 July 2026

The 50th brigade operates first-person-view drones, Geran long-range strike drones and other systems targeting fuel infrastructure, logistics vehicles, rail traffic, warehouses and electrical substations deep behind Ukrainian lines. — David Kirichenko, Forbes.com, 7 July 2026

As part of Monday’s hearing, the P&Z also approved a conditional use permit for the use of 85- to 100-foot power poles to feed the substation; Nelson said that Micron already has 70- to 100-foot poles on site. — Mark Dee july 7, Idaho Statesman, 7 July 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