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
By mid-2025, lead times for large power transformers had stretched beyond 30 months, with some units requiring up to four years for delivery—posing serious risks to grid reliability and expansion.
—
Robert Rapier, Forbes.com, 7 Sep. 2025
NextEra has placed orders for new transformers to replace the ones that were removed when the plant was shut down, although the transformers face significant supply chain constraints and will take about three years to deliver.
—Spencer Kimball, CNBC, 1 Sep. 2025
Ukraine and Russia have continued to exchange strikes, with Russian officials saying Sunday that a fire broke out after a Ukrainian unmanned aerial vehicle (UAV) was shot down near the Kursk Nuclear Power Plant, damaging a transformer at the site.
—Svitlana Vlasova, CNN Money, 24 Aug. 2025
In April, a critical issue was found with one of the data center’s main power transformers needed for the safe operation of the facility’s electrical systems, according to CyrusOne.
—R. Christian Smith, Chicago Tribune, 21 Aug. 2025
See All Example Sentences for transformer
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Robert Rapier, Forbes.com, 7 Sep. 2025
NextEra has placed orders for new transformers to replace the ones that were removed when the plant was shut down, although the transformers face significant supply chain constraints and will take about three years to deliver.
—Spencer Kimball, CNBC, 1 Sep. 2025
Ukraine and Russia have continued to exchange strikes, with Russian officials saying Sunday that a fire broke out after a Ukrainian unmanned aerial vehicle (UAV) was shot down near the Kursk Nuclear Power Plant, damaging a transformer at the site.
—Svitlana Vlasova, CNN Money, 24 Aug. 2025
In April, a critical issue was found with one of the data center’s main power transformers needed for the safe operation of the facility’s electrical systems, according to CyrusOne.
—R. Christian Smith, Chicago Tribune, 21 Aug. 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 17 Sep. 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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