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

According to the company’s website, the project features an on-site substation and compact battery containers, up to 25 feet long and 10 feet high. — Mrigakshi Dixit, Interesting Engineering, 14 Aug. 2026

Flexential says the company will pay for electric substation upgrades. — Olivia Young, CBS News, 12 Aug. 2026

The ongoing substation/injuries continue to give them obstacles to overcome. — Sean Joseph Outkick, FOXNews.com, 12 Aug. 2026

The site will also house a substation built, owned and operated by Duke Energy, but it will be paid for by Digital Realty. — Desiree Mathurin, Charlotte Observer, 12 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