three-phase

three-phase ▶adjective (of an electric generator, motor, or other device ) designed to supply or use simultaneously three separate alternating currents of the same voltage, but with phases differing by a third of a period.

three-phase

three-phase ▶adjective (of an electric generator, motor, or other device ) designed to supply or use simultaneously three separate alternating currents of the same voltage, but with phases differing by a third of a period.