diaphony
(daɪˈæfənɪ) n1. (Classical Music) a style of two-part polyphonic singing; organum or a freer form resembling it
[C17: from Late Latin diaphōnia, from Greek, from diaphōnos discordant, from dia- + phōnē sound]
diaphonic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014