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Pronunciation varies by accent · adjective
(electricity) 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.
Use polyphase when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Polyphase means (electricity) Of, pertaining to, or involving multiple alternating currents that have the same frequency but differ in phase..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
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.
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