dīˈafənē noun
also di·a·pho·nia ˌdīəˈfōnēə
( plural diaphonies also diaphonias )
Etymology: Medieval Latin diaphonia, from Greek diaphōnia, from diaphōnos dissonant, (from dia- + -phōnos, from phōnē sound) + -ia — more at ban
1. Greek music : dissonance — opposed to symphony
2. medieval music : organum 2b