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Concurrent vs Undefined - What's the difference?

concurrent | undefined |

As adjectives the difference between concurrent and undefined

is that concurrent is happening at the same time; simultaneous while undefined is lacking a definition or value.

As a noun concurrent

is one who, or that which, concurs; a joint or contributory cause.

concurrent

English

of building models [http://en.wikiversity.org/wiki/Concurrent_testings].

Adjective

(en adjective)
  • Happening at the same time; simultaneous.
  • * Tyndall
    • changes concurrent with the visual changes in the eye
    (Francis Bacon)
  • Belonging to the same period; contemporary.
  • Acting in conjunction; agreeing in the same act or opinion; contibuting to the same event of effect.
  • * Sir J. Davies
    • I join with these laws the personal presence of the king's son, as a concurrent cause of this reformation.
  • * Bishop Warburton
    • the concurrent testimony of antiquity
  • Joint and equal in authority; taking cognizance of similar questions; operating on the same objects.
    • the concurrent jurisdiction of courts
  • (geometry) Meeting in one point.
  • Running alongside one another on parallel courses; moving together in space.
  • (computing) Involving more than one thread of computation.

    • Coordinate terms

    * leading, lagging

    Derived terms

    * concurrent indicator * concurrently

    Noun

    (en noun)
  • One who, or that which, concurs; a joint or contributory cause.
  • * Dr. H. More
    • To all affairs of importance there are three necessary concurrents time, industry, and faculties.
  • One pursuing the same course, or seeking the same objects; hence, a rival; an opponent.
  • * Holland
    • Menander had no concurrent in his time that came near unto him.
  • 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.
    • (Webster 1913) ----

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined