Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “transformer”

transformer

noun [C] uk   /trænsˈfɔː.mər/ us    /-ˈfɔːr.mɚ/ specialized
a device that changes the voltage or other characteristic of electrical energy as it moves from one circuit to another: You may need a transformer if you want to run a personal stereo off mains electricity.Electrical components and circuitry
(Definition of transformer from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of transformer?
Add Cambridge dictionaries to your browser to your website

Definitions of “transformer” in other dictionaries

Word of the Day

throw

to send something through the air with force, especially by a sudden movement of the arm

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More