How do you use the word "transformer" in a sentence?

Here are real-life examples of using "transformer": A transformer converts alternating current to direct current for use in electronics.

Transformer Meaning

/tɹænsˈfɔːmə/

Definition, CEFR level B2, pronunciation, examples, and quiz.

Definition

nounSomething that transforms, changing its own or another thing's shape.

nounA static device that transfers electric energy from one circuit to another by magnetic coupling; primarily used to transfer energy between different voltage levels, which allows the most appropriate voltages for power generation, transmission and distribution to be chosen separately.

Sentence Examples

A transformer converts alternating current to direct current for use in electronics.

CEFR Practice Quiz

The device that increases or decreases voltage levels is called a ____.

CEFR Practice Quiz (Alternate)

A ____ is an electrical device that is used to increase or decrease the voltage of an alternating current today.

Word Origin & History

Etymology tree Proto-Indo-European *terh₂- Proto-Indo-European *-t Proto-Indo-European *térh₂t Proto-Indo-European *-ónts Proto-Indo-European *tr̥h₂ónts Proto-Indo-European *tr̥h₂n̥ts Proto-Italic *trāns Proto-Italic *trāns- Latin trāns- Ancient Greek μορφή (morphḗ)der.? Latin fōrma Latin fōrmō Latin transformo Old French transformer Middle French transfourmerbor. Middle English transformen English transform Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English transformer From transform + -er.

Literary Quotations & Historical Citations

"While initial reports Thursday traced the glow to a transformer explosion or a fire, Mr. McGee said there was no fire, and there were no transformers involved." — 2018 December 28, Michael Gold, “How an Explosion (Not Aliens) Turned New York’s Night Sky an Electric Blue”, in The New York Times:

"Transformer is a deep machine learning model based on the encoder–decoder network architecture and is used primarily in the field of NLP." — 2021, Lei Chen, Deep Learning and Practice with MindSpore, Springer Nature, →ISBN, page 116:

"The transformer helped machine-learning systems improve at a much faster pace, leading directly to last year’s release of ChatGPT and the attendant boom in interest around AI. (Transformers are the “T” in ChatGPT.)" — 2023 January 31, Casey Newton, “Instagram’s co-founders are back with Artifact, a kind of TikTok for text”, in The Verge:

"Privately, many at Google have bristled at criticism of its AI credentials, in particular given that it incubated the underlying technology and released it publicly in the 2017 transformers paper." — 2025 May 24, Stephen Morris, Melissa Heikkilä, Cristina Criddle, “Defending the high ground”, in FT Weekend (Big Read section), London: The Financial Times Ltd., →ISSN, →OCLC, page 7:

"“It's like a Transformer today,” Stamm said. “It appears as one thing, then becomes another.”" — 2015, Steve Berry, The Patriot Threat: A Novel, page 304:

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