Hypertext Webster Gateway: "polyphase"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
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