three-phase
|three-phase|
B2
/ˈθriːˌfeɪz/
three alternating phases
Etymology
Etymology Information
'three-phase' originates from the combination of 'three' and 'phase', where 'three' refers to the number of phases and 'phase' refers to a stage in a process or cycle.
Historical Evolution
The term 'three-phase' has been used in electrical engineering since the late 19th century, when the concept of alternating current was being developed.
Meaning Changes
Initially, it referred specifically to electrical systems, and this meaning has largely remained the same in modern usage.
Meanings by Part of Speech
Adjective 1
relating to or using a system of alternating current with three separate phases, each 120 degrees apart.
The factory uses a three-phase power supply for its machinery.
Synonyms
Last updated: 2025/03/03 02:21