Coincident vs. Coincidence - What's the difference?

Wikipedia

  • Coincident

    In geometry, two points are called coincident when they are actually the same point as each other. The same word has also been used more generally for other forms of incidence or special position between geometric objects.

  • Coincidence

    A coincidence is a remarkable concurrence of events or circumstances that have no apparent causal connection with one another. The perception of remarkable coincidences may lead to supernatural, occult, or paranormal claims. Or it may lead to belief in fatalism, which is a doctrine that events will happen in the exact manner of a predetermined plan. From a statistical perspective, coincidences are inevitable and often less remarkable than they may appear intuitively. An example is the birthday problem, which shows that the probability of two persons having the same birthday already exceeds 50% in a group of only 23 persons.

Wiktionary

  • Coincident (adjective)

    Occurring at the same time.

  • Coincident (adjective)

    Being in the same location.

  • Coincident (adjective)

    Being in accordance, matching.

  • Coincident (noun)

    Either of multiple simultaneous related incidents

  • Coincidence (noun)

    Of objects, the property of being coincident; occurring at the same time or place.

  • Coincidence (noun)

    Of events, the appearance of a meaningful connection when there is none.

  • Coincidence (noun)

    A coincidence point.

  • Coincidence (noun)

    A fixed point of a correspondence; a point of a variety corresponding to itself under a correspondence.

Oxford Dictionary

  • Coincident (adjective)

    occurring together in space or time

    "the fall in the stock market was coincident with the slowdown in economic activity"

  • Coincident (adjective)

    in agreement or harmony

    "the stake of defence attorneys is not always coincident with that of their clients"

  • Coincidence (noun)

    a remarkable concurrence of events or circumstances without apparent causal connection

    "they met by coincidence"

    "it was a coincidence that she was wearing a jersey like Laura's"

  • Coincidence (noun)

    the fact of corresponding in nature or in time of occurrence

    "the coincidence of interest between the mining companies and certain politicians"

  • Coincidence (noun)

    the presence of ionizing particles or other objects in two or more detectors simultaneously, or of two or more signals simultaneously in a circuit.

Webster Dictionary

  • Coincident (adjective)

    Having coincidence; occupying the same place; contemporaneous; concurrent; - followed by with.

  • Coincident (noun)

    One of two or more coincident events; a coincidence.

  • Coincidence (noun)

    The condition of occupying the same place in space; as, the coincidence of circles, surfaces, etc.

  • Coincidence (noun)

    The condition or fact of happening at the same time; as, the coincidence of the deaths of John Adams and Thomas Jefferson.

  • Coincidence (noun)

    Exact correspondence in nature, character, result, circumstances, etc.; concurrence; agreement.

Princeton's WordNet

  • Coincident (adjective)

    occurring or operating at the same time;

    "a series of coincident events"

  • Coincident (adjective)

    matching point for point;

    "coincident circles"

  • Coincidence (noun)

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

  • Coincidence (noun)

    the quality of occupying the same position or area in space;

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

  • Coincidence (noun)

    the temporal property of two things happening at the same time;

    "the interval determining the coincidence gate is adjustable"

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