Polyphase

adj

adj ·3 syllables ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    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."

  2. 2
    Of, pertaining to, or consisting of multiple phases of matter
Adjective
  1. 1
    of an electrical system that uses or generates two or more alternating voltages of the same frequency but differing in phase angle wordnet

Synonyms

All synonyms
multiphasemultiphase

Example

More examples

"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."

Etymology

From poly- + phase.

Related phrases

polyphase circuitpolyphase coilpolyphase matrixpolyphase meterpolyphase quadrature filterpolyphase rectifierpolyphase synchronous generatorpolyphase systempolyphase transformerpolyphase wattmeteralternating current

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.