From multi- + phonic. <span class="searchmatch">multiphonic</span> (not comparable) (music) Having the character of <span class="searchmatch">multiphonics</span>: sounding two or more pitches at the same time 2009 January...
English Wikipedia has an article on: <span class="searchmatch">multiphonics</span> Wikipedia <span class="searchmatch">multiphonics</span> (uncountable) (music) The sounding of two or more pitches simultaneously, either...