three-phase

[three-feyz]

adjective

Electricity.

1. of or relating to a circuit, system, or device that is energized by three electromotive forces that differ in phase by one third of a cycle or 120°.

2. having three phases.

three-phase

adjective

1. (of an electrical system, circuit, or device) having, generating, or using three alternating voltages of the same frequency, displaced in phase by 120°

Word History and Origins

Origin of three-phase¹

First recorded in 1890–95

Example Sentences

Using advanced microscopy, the researchers identified a three-phase sequence that coral fragments follow when attaching to the reef surface.

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The 19 January ceasefire deal was thrashed out over many months, with US, Qatari and Egyptian mediation, and a detailed three-phase plan for how the truce should move forward.

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Gen Halevi is currently overseeing the IDF's compliance with a three-phase Gaza ceasefire deal with Hamas that should see the remaining Israeli hostages released in exchange for hundreds of Palestinian prisoners in Israeli jails.

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It uses the same three-phase approach and will see a ceasefire, Israeli hostages released in return for Palestinian prisoners, and the Israeli military's gradual withdrawal from Gaza.

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The three-phase structure has also caused division and anxiety among some of the hostages' families.

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