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two-phase

American

[too-feyz] / ˈtuˈfeɪz /

adjective

Electricity.

diphase.

two-phase British

adjective

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:

two-phase

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

Voters will cast their ballots for 243 seats in a two-phase election to choose the next state government.

From BBC ● Nov. 5, 2025

The move, with the NBA working in cooperation with the National Basketball Referees Association, launches a two-phase process which is aimed at improving game flow and enhancing officiating accuracy.

From Barron's ● Oct. 31, 2025

Seeing the possibility of a wider war nonetheless, Biden stepped in with a two-phase diplomatic gambit.

From Slate ● Oct. 6, 2024

Governor Dixy Lee Ray didn’t approve of the two-phase plan.

From "Mountain of Fire" by Rebecca E. F. Barone

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023