Definition of quarter-phase
: of or relating to a combination of two circuits energized by alternating electromotive forces that differ in phase by a quarter of a cycle or by 90 degrees : of or relating to a four-wire two-phase system or apparatus having the neutral points of the two phases at the same potential : two-phase
Test Your Vocabulary
Who Knew?
-
- What is a ruelle?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors