dichotic

adjective

relating to or involving the stimulation of each ear simultaneously by different sounds

Word Origin for dichotic

dicho- + -ic

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