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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
There is an ultra-low noise toroidal transformer that’s been manufactured in-house by Rotel. Mark Sparrow, Forbes, 6 Mar. 2025 And then there are Trump's tariffs, which could raise prices and muck up supply chains for construction materials like steel and components like transformers. Dan Primack, Axios, 5 Mar. 2025 The transformer triage comes as MTA bigs are expected to travel to Albany next week to vouch for their $68 billion five-year capital budget — $3 billion of which would fund substation overhauls in the subway system. Evan Simko-Bednarski, New York Daily News, 28 Jan. 2025 For example, Virginia Electric Power utilizes smart sensors to identify transformer wear before failures occur. Dianne Plummer, Forbes, 20 Feb. 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 13 Mar. 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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