transformer

noun

trans·​form·​er tran(t)s-ˈfȯr-mər How to pronounce transformer (audio)
Synonyms of transformernext
: 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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This is a direct consequence of one of the transformer architecture’s defining attributes. Rob Toews, Forbes.com, 22 June 2026 In March, the Fort Worth City Council approved a request from Oncor to rezone roughly 5 acres at that site to add two transformers to the substation and a wall on the north side of the property to abate noise. Emily Holshouser, Fort Worth Star-Telegram, 22 June 2026 In a nation where the rule of law still matters, Elliott would allow cities and towns to pay utilities a fraction of the value of their infrastructure (poles, wires, transformers, and easements) because to pay their real value would make his proposal a nonstarter. Kevin Rennie, Hartford Courant, 20 June 2026 Power poles were snapped and transformers thrown to the ground. Victor Jacobo, CBS News, 11 June 2026 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 24 Jun. 2026.

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
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