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polyphasic

American  
[pol-ee-fey-zik] / ˌpɒl iˈfeɪ zɪk /

adjective

  1. having more than two phases.

  2. habitually doing more than one thing at a time.

    a polyphasic personality.


Etymology

Origin of polyphasic

First recorded in 1920–25; polyphase + -ic