Meaning of COINCIDENCE in English
1》 a remarkable concurrence of events or circumstances without apparent causal connection.
2》 correspondence in nature or in time of occurrence.
3》 Physics the presence of ionizing particles or other objects in two or more detectors simultaneously, or of two or more signals simultaneously in a circuit.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004