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three-phase
[ three-feyz ]
adjective
Electricity.
- 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°.
- having three phases.
three-phase
adjective
- (of an electrical system, circuit, or device) having, generating, or using three alternating voltages of the same frequency, displaced in phase by 120°
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Word History and Origins
Origin of three-phase1
First recorded in 1890–95
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