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two-phase

American  
[too-feyz] / ˈtuˈfeɪz /

adjective

Electricity.
  1. diphase.


two-phase British  

adjective

  1. Also: quarter-phase.  (of an electrical circuit, device, etc) generating or using two alternating voltages of the same frequency, displaced in phase by 90°

"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

Etymology

Origin of two-phase

First recorded in 1895–1900

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“We believe a two-phase transformation, involving the divestment of its EU and U.K. stakes followed by a potential U.S. merger, is already underway,” Citi says.

From The Wall Street Journal Aug. 18, 2026

Chemical companies providing advanced polymers and firms developing two-phase liquid cooling solutions are positioned for growth in AI infrastructure.

From Barron's Feb. 25, 2026

At much smaller scales, however, foams are considered "two-phase" materials, made of bubbles suspended in a liquid or solid background.

From Science Daily Jan. 15, 2026

The two-phase review will look at policing, the criminal justice system, and the agencies that were involved with Rudakubana.

From BBC Jun. 16, 2025

Such “making” is a two-phase affair: first, artisans make a plan, then they act on it.

From "History of Art, Volume 1" by H.W. Janson

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