three-phase
Americanadjective
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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°.
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having three phases.
adjective
Etymology
Origin of three-phase
First recorded in 1890–95
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.
It included a three-phase plan, months of interviews and data collection, years of financial reviews, scores of faculty and staff, and a re-analysis of how the university measures depreciation in its accounting.
From The Wall Street Journal ● Jul. 17, 2026
After ruling by force for the past five years, the junta has pledged the three-phase election, due to end on January 25, will return power to the people.
From Barron's ● Jan. 10, 2026
Using advanced microscopy, the researchers identified a three-phase sequence that coral fragments follow when attaching to the reef surface.
From Science Daily ● Oct. 29, 2025
The proposed three-phase deal would begin with an initial six-week ceasefire.
From BBC ● Jan. 15, 2025
It will be seen, therefore, that by doubling the three-phase system the pulsations are already very greatly reduced.
From Scientific American Supplement No. 822, October 3, 1891 by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
