polyphase
adjEtymology From poly- + phase.
1
Business, Electrical engineering, Electricity, Electromagnetism, Energy, Engineering, Natural sciences, Physical sciences, Physics Of, pertaining to, or involving multiple alternating currents that have the same frequency but differ in phase.
- In the past there had been several attempts to embody in locomotives some form of rotating machine to convert single-phase a.c. at supply frequency to polyphase a.c. at variable frequency, in order to achieve the necessary variable speed characteristic.1963 November, “British achievements in electric traction”, in Modern Railways, page 313:
2
Natural sciences, Physical sciences, Physics Of, pertaining to, or consisting of multiple phases of matter
- Derived terms
- polyphase circuit, polyphase coil, polyphase matrix, polyphase meter, polyphase quadrature filter, polyphase rectifier, polyphase synchronous generator, polyphase system, polyphase transformer, polyphase wattmeter