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concurrent

adjective

  1. operating or occurring at the same time
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Wiktionary

Pronunciation: /kəŋˈkʌɹənt/ / /kɒŋˈkʌɹənt/ / /kəŋˈkɝɹənt/

adj

Etymology: From Middle English concurrent, from Old French concurrent, from Latin concurrēns, present active participle of concurrō (“happen at the same time”), from con- (“with”) + currō (“run”).

  1. Happening at the same time; simultaneous.

    concurrent echo

    Such are the changes which science recognizes in the wire itself, as concurrent with the visual changes taking place in the eye.

  2. Belonging to the same period; contemporary.
  3. Acting in conjunction; agreeing in the same act or opinion; contributing to the same event or effect.

    I join with these laws the personal presence of the king's son, as a concurrent cause of this reformation.

    the concurrent testimony of antiquity

  4. Joint and equal in authority; taking cognizance of similar questions; operating on the same objects.

    the concurrent jurisdiction of courts

  5. Meeting in one point.
  6. Running alongside one another on parallel courses; moving together in space.
  7. Designed to run independently, rather than sequentially, using various mechanisms, such as threads, event loops or time-slicing.

    Informally, a concurrent program is one that does more than one thing at a time. […] However, this simultaneity is sometimes an illusion.

    Different concurrent designs enable different ways to parallelize.

noun

Etymology: From Middle English concurrent, from Old French concurrent, from Latin concurrēns, present active participle of concurrō (“happen at the same time”), from con- (“with”) + currō (“run”).

  1. One who, or that which, concurs; a joint or contributory cause.

    To all affairs of importance there are three necessary concurrents […] time, industry, and faculties.

  2. One pursuing the same course, or seeking the same objects; hence, a rival; an opponent.

    Menander […] had no concurrent in his time that came neere vnto him

  3. One of the supernumerary days of the year over fifty-two complete weeks; so called because they concur with the solar cycle, the course of which they follow.
  4. One who accompanies a sheriff's officer as witness.