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

The three-phase elections in Jammu and Kashmir saw top leaders from the BJP and Congress make several promises, including the restoration of full statehood.

From BBC

The three-phase polls will also extend to the 43 seats in the neighbouring Hindu-majority Jammu region.

From BBC

More daunting still, these disputes concern the first phase of what is to be a three-phase deal.

From Slate

When President Biden announced a three-phase plan to end the devastating war in the Gaza Strip, he raised hope that a breakthrough was finally on the horizon between Israel and Hamas militants.

From Los Angeles Times

“For the three-phase Biden plan to have any chance of becoming a reality, it will require increased U.S. diplomacy in the Middle East at a time when the attention of America and President Biden himself will be elsewhere,” said Brian Katulis, senior fellow for U.S. foreign policy at the Middle East Institute in Washington.

From Los Angeles Times