different between concurrent vs protothread

English

Etymology

From Middle English concurrent, from Old French concurrent, from Latin concurr?ns, present active participle of concurr? (“happen at the same time”), from con- (“with”) + curr? (“run”)

Pronunciation

• (UK, General Australian, General New Zealand) IPA^(key): /k???k???nt/, /k???k???nt/
• (US, Canada) IPA^(key): /k???k???nt/

Adjective

concurrent (comparative more concurrent, superlative most concurrent)

1. Happening at the same time; simultaneous.

   • concurrent echo

   • 1865, John Tyndall, On Radiation, in Fragments of Science for Unscientific People, page 171-2

     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.
   • 1612, John Davies, Discoverie of the True Causes why Ireland was never entirely subdued

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

   • 1738-1741, William Warburton, Divine Legation of Moses demonstrated on the Principles of a Religious Deist

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

   Antonym: sequential

Coordinate terms

• leading, lagging

Derived terms

• concurrent indicator
• concurrently

Translations

Noun

concurrent (plural concurrents)

1. One who, or that which, concurs; a joint or contributory cause.
   • 1667, Richard Allestree, The Causes of the Decay of Christian Piety

     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.

Dutch

Etymology

Borrowed from Middle French concurrent. The noun derives from French concurrent.

Pronunciation

• IPA^(key): /?k??.ky?r?nt/
• Hyphenation: con?cur?rent
• Rhymes: -?nt

Noun

concurrent m (plural concurrenten, diminutive concurrentje n, feminine concurrente)

1. A competitor, an economic rival.
2. (obsolete) A creditor without special priority.

Derived terms

• concullega

Related terms

• concurrentie

Adjective

concurrent (not comparable)

1. (obsolete) concurrent, corresponding [16th - late 18th c.]

Inflection

French

Etymology

From Latin concurr?ns, present active participle of concurr? (“happen at the same time”), from con- (“with”) + curr? (“run”).

Pronunciation

Adjective

concurrent (feminine singular concurrente, masculine plural concurrents, feminine plural concurrentes)

1. concurrent, simultaneous
2. competitive, in competition

Noun

concurrent m (plural concurrents, feminine concurrente)

1. competitor (person against whom one is competing)

Related terms

• concurrence
• concours
• concurrentiel

Further reading

• “concurrent” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Latin

Verb

concurrent

1. third-person plural future active indicative of concurr?

English

Etymology

proto- +? thread

Noun

protothread (plural protothreads)

1. (computing) A lightweight stackless thread used in concurrent programming.