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

Products in this segment include power transformers and switchgears. — Zev Fima, CNBC, 22 July 2026

That's all thanks to its space-optimizing transformer capabilities. — New Atlas, 21 July 2026

The money sits in the business interruption and the extra expense, the long dead stretch while a specialised transformer or a particular chip waits on an 18-month backorder. — Dara-Abasi Ita, Forbes.com, 20 July 2026

Permitting and regulatory procedures can produce additional delays, particularly when an operator must remove an existing transformer before installing its replacement. — Atharva Gosavi, Interesting Engineering, 18 July 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