1. an event that might have been arranged although it was really accidental

Similar word(s): happenstance

Definition categories: event, accident, fortuity, stroke

2. the quality of occupying the same position or area in space

- he waited for the coincidence of the target and the cross hairs

Definition categories: attribute, position

3. the temporal property of two things happening at the same time

- the interval determining the coincidence gate is adjustable

Similar word(s): concurrence, conjunction

Definition categories: attribute, simultaneity, simultaneousness