co-occurrence

from WordNet (r) 3.0 (2006)
co-occurrence
    n 1: an event or situation that happens at the same time as or
         in connection with another [syn: {accompaniment},
         {concomitant}, {attendant}, {co-occurrence}]
    2: the temporal property of two things happening at the same
       time; "the interval determining the coincidence gate is
       adjustable" [syn: {concurrence}, {coincidence},
       {conjunction}, {co-occurrence}]