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.
For example, Virginia Electric Power utilizes smart sensors to identify transformer wear before failures occur. Dianne Plummer, Forbes, 20 Feb. 2025 The animal had come into contact with the transformer at the station, disrupting supply to the entire country. Reuters, CNN, 13 Feb. 2025 The world’s largest transformer manufacturer, Hitachi Energy, warned late last year that the industry is overwhelmed with demand for the equipment. Spencer Kimball, CNBC, 13 Feb. 2025 This suggests that the transformer architecture has inherent limitations. Anil Ananthaswamy, Quanta Magazine, 31 Jan. 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 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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