Dictionary

1. (

• coincidence ,
• happenstance

) an event that might have been arranged although it was really accidental ;

2. (

• coincidence ,

) the quality of occupying the same position or area in space; "he waited for the coincidence of the target and the cross hairs" ;

3. (

• concurrence ,
• coincidence ,
• conjunction ,
• co-occurrence

) the temporal property of two things happening at the same time; "the interval determining the coincidence gate is adjustable" ;