POLYPHASE
multiphase, polyphase
(adjective) of an electrical system that uses or generates two or more alternating voltages of the same frequency but differing in phase angle
Source: WordNet® 3.1
Etymology
Adjective
polyphase (comparative more polyphase, superlative most polyphase)
(electricity) Of, pertaining to, or involving multiple alternating currents that have the same frequency but differ in phase
(physics) Of, pertaining to, or consisting of multiple phases of matter
Source: Wiktionary
Pol"y*phase, a. [Poly- + phase.] (Elec.)
Definition: Having or producing two or more phases; multiphase; as, a
polyphase machine, a machine producing two or more pressure waves of
electro-motive force, differing in phase; a polyphase current.
Source: Webster’s Unabridged Dictionary 1913 Edition