Definition of coincidence in English:

coincidence

Line breaks: co|in¦ci|dence
Pronunciation: /kəʊˈɪnsɪd(ə)ns
 
/

noun

1A remarkable concurrence of events or circumstances without apparent causal connection: it was a coincidence that she was wearing a jersey like Laura’s [mass noun]: they met by coincidence
More example sentences
  • By coincidence I was trailing two unsuspecting girls also apparently going to the show.
  • By coincidence, the factory closed down in 1912, the year the Titanic went down at sea with such a huge loss of life.
  • By coincidence, my friend Nat Gertler was at the same performance last night of The Producers.
Synonyms
accident, chance, serendipity, fate, a twist of fate, destiny, fortuity, fortune, providence, freak, hazard; a piece of good fortune, (a bit of) luck, (a bit of) good luck, a fluke, a happy chance; North Americanhappenstance
2 [mass noun] The fact of corresponding in nature or in time of occurrence: the coincidence of interest between the mining companies and certain politicians
More example sentences
  • For most of the time, this coincidence of interest was recognized.
  • There is little coincidence of interest between the consumer and a state-owned utility.
  • This surprising degree of coincidence of territory and national identity has been achieved in two ways.
Synonyms
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.
More example sentences
  • In their estimation, nothing could explain the coincidences except the momentary passing of a gravitational wave.
  • When the beams were in phase, they detected five times as many coincidences as when they were out of phase.
  • One of the most famous anthropic coincidences was discovered by the English physicist Sir Fred Hoyle in 1954.

Origin

early 17th century (in the sense 'occupation of the same space'): from medieval Latin coincidentia, from coincidere 'coincide, agree' (see coincide).

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