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

The platform combines solid-state transformers, battery energy storage, as well as smart controls to deliver electricity from the grid to computing equipment. — Georgina Jedikovska, Interesting Engineering, 3 Nov. 2026

The attack destroyed four transformers and damaged three generating units, shutting down the station, its director said in a statement. — Hamza Fahmy, Los Angeles Times, 1 Nov. 2026

If supply chain volatility delays those transformers, the impact extends beyond construction sequencing. — Jayashree Arunkumar, Forbes.com, 30 Oct. 2026

The state Department of Energy and Environmental Protection was called to the scene to help mitigate hazardous materials from a transformer that was damaged, fire officials said. — Justin Muszynski, Hartford Courant, 28 Oct. 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