: 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 The 376-page report, conducted by the Fire Safety Research Institute on behalf of Hawaii Attorney General Anne Lopez and released Wednesday, is the first in a three-phase probe into how and why the Lahaina brush fire turned so catastrophic. Anumita Kaur, Washington Post, 18 Apr. 2024 One project will move 1,900 feet of three-phase mainline on the Brown Deer feeder underground, which would impact around 500 customers in Glendale. Claudia Levens, Journal Sentinel, 11 Apr. 2024 This three-phase vision for the 26-acre campus has so far resulted in an addition to the Department of Public Safety’s headquarters, a new net zero-energy city hall built to LEED Platinum standards, and six acres of public open space. Anne Gelhaus, The Mercury News, 30 Mar. 2024 On January 11, the 15-acre downtown campus celebrated the grand opening of phase one of its three-phase Master Plan. Chadd Scott, Forbes, 12 Feb. 2024 Those diplomatic efforts were rattled earlier in the day when Israeli Prime Minister Benjamin Netanyahu rejected a detailed, three-phase plan by Hamas that would unfold over 41/2 months. Matthew Lee, arkansasonline.com, 8 Feb. 2024 The three-phase treatment includes a starting dose and several months of up-dosing therapy done at a clinic or provider’s office, followed by a continuous maintenance dose at home. Amy Isler, Rn, Msn, Csn, Verywell Health, 5 Dec. 2023 European models enjoy a stronger 22-kilowatt charger that takes advantage of the EU’s three-phase consumer electricity, trimming charge time to less than 3 hours. IEEE Spectrum, 8 Nov. 2023 Israeli Defense Minister Yoav Gallant laid out a three-phase war plan that envisions a ground invasion to end Hamas rule in the Gaza Strip and an eventual move by Israel to end its responsibility under international law for the isolated Palestinian enclave. WSJ, 21 Oct. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'three-phase.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1892, in the meaning defined above

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

Dictionary Entries Near three-phase

Cite this Entry

“Three-phase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/three-phase. Accessed 24 Apr. 2024.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!