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diphase

American  
[dahy-feyz] / ˈdaɪˌfeɪz /
Also diphasic

adjective

Electricity.
  1. having two phases; phasis; two-phase.


diphase British  
/ ˈdaɪˌfeɪz /

adjective

  1. of, having, or concerned with two phases

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of diphase

First recorded in 1895–1900; di- 1 + phase