trans·form·er | \tran(t)s-ˈfȯr-mər \

Definition of transformer 

: 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

The six-day shutdown started after a warning from transformers. Seattle Times Staff, The Seattle Times, "Nuclear power plant near Tri-Cities is back online," 25 May 2018 Again, the name gives it away — sparkles on sparkles, which can be worn solo or as a transformer for matte shades. Macaela Mackenzie, Allure, "Smashbox Teamed Up with Influencer Jasmine Sanders to Launch 7 New Mini Eye Palettes," 11 July 2018 The driver tried to turn left onto Kelso Drive, but struck a BGE transformer, a light pole and a traffic signal box at the intersection of Kelso Drive and Rossville Boulevard, police said. Sarah Meehan,, "Suspect crashes stolen car into power transformer after police chase in Baltimore County, police say," 29 June 2018 The effects of that short circuit traveled nearly instantly to a transformer station near Robinson Street and Interstate 4. Kevin Spear,, "Orlando downtown power outage for thousands: initially a mystery and now explained," 28 June 2018 In Canada, a key piece of equipment at the Syncrude oil-sands complex in Alberta halted operations last week after a transformer blast shut the entire 350,000 barrel-a-day facility. Jessica Summers,, "Oil Climbs as Huge U.S. Supply Draw Seen Adding to Global Risks," 26 June 2018 The roadway near Exit 32, the Boston Road interchange, was closed as a safety precaution while area firefighters put out the transformer fire, Procopio said. Elise Takahama,, "All lanes reopened on I-495 in Westford after electrical fire," 19 June 2018 Now, another clip shows an apparent transformer explosion caused by the flames. Eric Limer, Popular Mechanics, "Canadian Wildfire Triggers Blinding Transformer Explosion," 4 May 2016 Twelve years ago, thousands of Angelenos lost power in the city as hundreds of transformers malfunctioned or stopped working. Javier Panzar,, "Hundreds of customers are still without power as hot and angry Angelenos fume at the DWP," 10 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transformer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of transformer

1596, in the meaning defined above

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Last Updated

19 Sep 2018

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Time Traveler for transformer

The first known use of transformer was in 1596

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More Definitions for transformer



English Language Learners Definition of transformer

: a device that changes the voltage of an electric current


trans·form·er | \trans-ˈfȯr-mər \

Kids Definition of transformer

: a device for changing the voltage of an electric current

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