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: 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

Recent Examples on the Web
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The Or Foundation — which has been operating around Kantamanto since 2011 — pulled together a three-phase plan, covering emergency operations, data collection and rebuilding, and direct distribution of financial relief to impacted market members. Bella Webb, Vogue, 27 Nov. 2025 In late September, Bamford unveiled a new commitment to football, including a $25 million, three-phase renovation of McGuirk that will be financed via various avenues. Lev Akabas, Sportico.com, 24 Nov. 2025 Walmart, for instance, is offering a three-phase Black Friday deal this season, starting on Nov. 14 and ending Dec. 1, which is Cyber Monday. Sarah Moore, Freep.com, 15 Nov. 2025 The agreement requires a three-phase, multi-year transition to zero-emission machinery, which disturbs environmental advocates and even some board members. Dan Walters, Oc Register, 12 Nov. 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 4 Dec. 2025.

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