: of, relating to, or operating by means of a combination of three circuits energized by alternating electromotive forces that differ in phase by one third of a cycle

Examples of three-phase in a Sentence

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The union’s plan calls for renovations and rebuilds among 18 existing facilities and the construction of a new training center, whereas the department pitched a 10-year, three-phase plan that would address some but not all facility concerns. Sofi Zeman, Kansas City Star, 12 May 2025 Eaton will spend $340 million to increase U.S. production of its three-phase transformers. Natasha Abellard, CNBC, 8 May 2025 Israel and Hamas also reached a ceasefire agreement in January, the first stage of what a three-phase deal outlined by then-President Joe Biden in May and pushed forward by the incoming administration of President Donald Trump. Tom O'Connor, MSNBC Newsweek, 1 May 2025 In tandem with the outgoing Biden administration, Trump officials worked to secure a three-phase ceasefire/hostage-release that saw the release of 33 captives that had been detained since the Oct. 7 attacks, including two Americans. Shannon K. Kingston, ABC News, 30 Apr. 2025 See All Example Sentences for three-phase

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of three-phase was in 1892

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Cite this Entry

“Three-phase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/three-phase. Accessed 25 May. 2025.

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