All 6 Uses of

coincidence
in
Atlas Shrugged

What a wonderful coincidence, seeing you here!†
Chpt 1.6 *

coincidence = a situation where things happened at the same time by chance even though it was unlikely

Through the blank seconds of recapturing her mind, she kept telling herself: You're hysterical ....don't be preposterous ....it's just a coincidence of names-while she knew, in certainty and numb, inexplicable terror, that this was the Hugh Akston.†
Chpt 1.10

He shook his head with a shudder and said sharply, "It's just a coincidence.†
Chpt 2.1

I mean, I hope that it's just a coincidence, just a sentence that hasn't any meaning.†
Chpt 2.10

It was a chain of coincidences, as any statistical curve of probabilities can easily prove.†
Chpt 3.5

coincidences = situations where things happened at the same time by chance even though they were unlikely

Definitions:

(1) (coincidence)
a situation where two things happened at the same time or in the same way by chance even though it was unlikely

(for example, if two students in the same class met by accident while visiting another country)
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Much more rarely coincidence can refer to things coinciding (occurring or operating at the same place or time). For example:
- the coincidence of a target and cross hairs
- the coincidence of entangled particles in quantum physics