Multiphase adj. Having many phases; specif. (Elec.), Pertaining to, or designating, a generator producing, or any system conveying or utilizing, two or more waves of pressure, or electromotive force, not in phase with each other; polyphase.
... miles away, with only a loss of some 30 horse-power. For twenty miles the loss on transmission should not exceed 15 horse-power so that 70 and 85 horse-power respectively are available at the mines. No other system offers such remarkable efficiencies of power transmission. The new Multiphase Alternating Electric Generating and Power Transmission System is indeed so perfect as to leave practically ... — Getting Gold • J. C. F. Johnson