three-phase

[ three-feyz ]

adjectiveElectricity.
  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.

Origin of three-phase

1
First recorded in 1890–95

Words Nearby three-phase

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use three-phase in a sentence

  • Long distance, high tension transmission lines are generally three-wire lines carrying three-phase a.-c.

    Physics | Willis Eugene Tower
  • Two-phase of three-phase currents would give two or three positive impulses during this time.

  • Inside this anchor tube ran the thick coaxial cable that fed three-phase electric power from the atomic pile to the ship.

    Where I Wasn't Going | Walt Richmond
  • The magnetic field effect, Ishie had explained; but this three-phase RF generator—that puzzled him for a while.

    Where I Wasn't Going | Walt Richmond
  • The power is transmitted at a voltage of 56,000 with a frequency of sixty cycles per second (three-phase).

    The Romance of Plant Life | G. F. Scott Elliot

British Dictionary definitions for three-phase

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°

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012