anticoincidence
noun
(modifier) of or relating to an electronic circuit that produces an output pulse if one but not both of its input terminals receives a pulse within a specified interval of timeCompare coincidence (def. 3)
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