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.

Part of that business supplies two-phase cooling solutions to data centers.

From Barron's • Feb. 20, 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

Stubb said he hoped to see some results from a two-phase peace process - the first a ceasefire to stop the killing and the second an extended peace process - "in coming days and weeks".

From BBC • Oct. 18, 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