trans·​form·​er | \ tran(t)s-ˈfȯr-mər How to pronounce transformer (audio) \

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

Marin County fire investigators determined that a failed Pacific Gas and Electric Co. transformer sparked Sunday’s small brush fire near Mount Tamalpais. Will Houston, The Mercury News, "PG&E transformer sparked fire on Mount Tamalpais, fire officials say," 11 June 2019 Due to the combined weight of the vehicle and transformer, the State Highway Administration will temporarily close the bridge on Route 7 over Haha Branch south of Abingdon Road starting at 10 a.m. Monday until 5 p.m. Tuesday. Aegis Staff Report,, "Route 7 bridge in Harford to temporarily close Monday night for BGE transformer move," 14 June 2019 Kopp said the city would likely spend another $1 million on the entire alley, burying utilities and relocating transformers to benefit all properties along the alley. Graydon Megan,, "Elmhurst aldermen express displeasure with facade of proposed development," 11 June 2019 IndyGo is responsible for identifying the charging sites, securing permits and working with the electric utility to bring power and a transformer to the charging sites. Kellie Hwang, Indianapolis Star, "IndyGo says it has a fix for Red Line buses that don't go the distance. Here's how it's worked elsewhere.," 3 May 2019 Naranjo’s La Chinita neighborhood has gone without power since late March, when a transformer exploded. Washington Post, "Mounting economic chaos leaves many Venezuelans in the dark," 4 May 2018 Electrical transformers transfer energy between circuits, switching energy from one voltage to another. Cassie Rodenberg, Popular Mechanics, "How Transformers Can Explode," 28 Dec. 2018 During the recording session, guitarist Grady Martin’s six-string bass guitar was being run through a console with a defective transformer. Terence Mcardle, Washington Post, "Glenn Snoddy, Nashville engineer who brought ‘fuzz tone’ to rock, dies at 96," 30 May 2018 Texas City Emergency Management reported that an electrical transformer fire broke out at the CenterPoint facility near FM 517 and Highway 146 on Tuesday afternoon, sending black plumes of smoke billowing into the sky. Nick Powell, Houston Chronicle, "Fire breaks out at Texas City substation," 8 May 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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Statistics for transformer

Last Updated

11 Jul 2019

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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

technical : a device that changes the voltage of an electric current


trans·​form·​er | \ trans-ˈfȯr-mər How to pronounce transformer (audio) \

Kids Definition of transformer

: a device for changing the voltage of an electric current

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More from Merriam-Webster on transformer

Rhyming Dictionary: Words that rhyme with transformer

Spanish Central: Translation of transformer

Nglish: Translation of transformer for Spanish Speakers

Britannica English: Translation of transformer for Arabic Speakers Encyclopedia article about transformer

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