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

These supply chains are already facing backlogs on transformers and other critical grid components. — John Kostyack, Forbes.com, 12 Aug. 2026

The company produces essential hardware—specifically transformers and switchgear—required to support both new data center demand and this critical national infrastructure upgrade. — Camila Grigera Naón, Fortune, 11 Aug. 2026

Since 2020, inflation for transformers and power regulators has surged the second most of all 47 categories that the Bureau of Labor Statistics measures in its monthly Producer Price Index, a gauge of wholesale inflation. — David Goldman, CNN Money, 6 Aug. 2026

The video of the pivotal moments before the blaze shows a large, loud crack before the pole and its power lines and transformer boxes fall, crashing, and light on fire. — Tara Molina, CBS News, 6 Aug. 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