transformer

noun

trans·​form·​er tran(t)s-ˈfȯr-mər 

: one that transforms

specifically : a device employing the principle of mutual induction to convert variations of current in a primary circuit into variations of voltage and current in a secondary circuit

Examples of transformer in a Sentence

Recent Examples on the Web

During the chase, Gonzaba hit an electrical transformer and then drove onto the boardwalk from Pacific Beach Drive, speeding near pedestrians, according to the release. — Summer Lin, Los Angeles Times, 16 Sep. 2026

Instead, select a narrow, high-ROI operational challenge, such as predicting transformer degradation or detecting unannounced EV chargers. — Abhay Gupta, Forbes.com, 10 Sep. 2026

Hyosung’s high-voltage solid-state transformer uses power semiconductors to control electricity. — Aamir Khollam, Interesting Engineering, 8 Sep. 2026

On Sunday night, a car crashed into a transformer, causing an outage on campus and some surrounding areas for around six hours. — David Ubben, New York Times, 8 Sep. 2026

Word History

First Known Use

1596, in the meaning defined above

Phrases Containing transformer

• Tesla transformer

Rhymes for transformer

• conformer
• informer
• performer
• reformer
• dormer
• former
• warmer

Kids Definition

transformer

noun

trans·​form·​er tran(t)s-ˈfȯr-mər 

: a device for changing an electric current into one of different voltage