transformer

noun

trans·​form·​er tran(t)s-ˈfȯr-mər How to pronounce transformer (audio)
: 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
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Angel Rodriguez uses a transformer from an old television to charge a battery in preparation for blackouts at his home in the Bahia neighborhood of Havana on 26 May 2025.Ramon Espinosa/AP But development lacks scale and speed. IEEE Spectrum, 1 July 2025 Central African Republic's Ministry of National Education told the outlets that the explosion occurred as power was being restored to the transformer after a malfunction. Charlotte Phillipp, People.com, 26 June 2025 Some monks emerged as transformers of the ancient tradition that was passed down to them. Bernd Roeck june 16, Literary Hub, 16 June 2025 Preparations for heat waves include reviews of circuit loading, maintenance of generators to deploy, as well as plans for transformer failure and transporting key replacement equipment where needed. Adriana Pérez, Chicago Tribune, 6 July 2025 See All Example Sentences for transformer

Word History

First Known Use

1596, in the meaning defined above

Time Traveler
The first known use of transformer was in 1596

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Cite this Entry

“Transformer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transformer. Accessed 3 Aug. 2025.

Kids Definition

transformer

noun
trans·​form·​er tran(t)s-ˈfȯr-mər How to pronounce transformer (audio)
: a device for changing an electric current into one of different voltage
Last Updated: - Updated example sentences
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