transformer
noun
trans·form·er
tran(t)s-ˈfȯr-mər 
: 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
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Officials are still investigating why the transformer failed.
—
Kansas City Star, 15 Dec. 2025
Risk to investors The risk is that electric infrastructure such as power plants, transmission lines and transformers will be built for speculative data centers that either do not materialize or use less electricity than anticipated, Rhodes said.
—Spencer Kimball, CNBC, 12 Dec. 2025
In addition to the 444 Tesla Megapack battery units, the site includes three Toshiba 500 kilovolt (kV) transformers.
—Georgina Jedikovska, Interesting Engineering, 9 Dec. 2025
As a result, the cost of some electrical equipment like transformers has risen faster than the rate of inflation, Hledik said.
—Ella Nilsen, CNN Money, 4 Dec. 2025
See All Example Sentences for transformer
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Kansas City Star, 15 Dec. 2025
Risk to investors The risk is that electric infrastructure such as power plants, transmission lines and transformers will be built for speculative data centers that either do not materialize or use less electricity than anticipated, Rhodes said.
—Spencer Kimball, CNBC, 12 Dec. 2025
In addition to the 444 Tesla Megapack battery units, the site includes three Toshiba 500 kilovolt (kV) transformers.
—Georgina Jedikovska, Interesting Engineering, 9 Dec. 2025
As a result, the cost of some electrical equipment like transformers has risen faster than the rate of inflation, Hledik said.
—Ella Nilsen, CNN Money, 4 Dec. 2025
See All Example Sentences for transformer
Cite this Entry
“Transformer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transformer. Accessed 19 Dec. 2025.
Copy CitationKids Definition
transformer
noun
trans·form·er
tran(t)s-ˈfȯr-mər
: a device for changing an electric current into one of different voltage
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