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
Recent Examples on the Web
Florida Power & Light crews worked into the night to restore electricity after a transformer blew, sending smoke and flames into the neighborhood.
—
Abby Dodge, CBS News, 19 Dec. 2025
This electricity is stepped up through transformers and fed directly into the national grid.
—Kaif Shaikh, Interesting Engineering, 18 Dec. 2025
The cause of the failure is not yet known, but the transformer had not been tampered with, Gannon said.
—Kansas City Star, 16 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
See All Example Sentences for transformer
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Abby Dodge, CBS News, 19 Dec. 2025
This electricity is stepped up through transformers and fed directly into the national grid.
—Kaif Shaikh, Interesting Engineering, 18 Dec. 2025
The cause of the failure is not yet known, but the transformer had not been tampered with, Gannon said.
—Kansas City Star, 16 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
See All Example Sentences for transformer
Cite this Entry
“Transformer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transformer. Accessed 29 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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