'Polyphase' definitions:
Definition of 'polyphase'
From: WordNet
adjective
Of an electrical system that uses or generates two or more alternating voltages of the same frequency but differing in phase angle [syn: multiphase, polyphase]
Definition of 'Polyphase'
From: GCIDE
- Polyphase \Pol"y*phase\, a. [Poly- + phase.] (Elec.) 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. [Webster 1913 Suppl.]