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coincidence

n.
US //koʊˈɪnsɪdəns// UK //kəʊˈɪnsɪdəns// co·in·ci·dence
  1. 1 mathematical point (n.)
    C2 Proficiency Technical Math

    a point where two different things, like lines or shapes, meet or match perfectly.

    a point at which two or more functions, mappings, or geometric figures have the same value or position.

    Example

    The professor explained how to find the coincidence point of the two lines on the graph.

    Example

    In fixed-point theory, a coincidence point for two mappings is a point in their domain that maps to the same element in the codomain.

Origin

From Middle French coincidence (French coïncidence). By surface analysis, coincide + -ence.

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