from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Simultaneous occurrence; synchronism.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. synchronicity, the state of two or more events occurring at the same time.

from the GNU version of the Collaborative International Dictionary of English

  • n. The concurrence of events in time; synchronism.

from The Century Dictionary and Cyclopedia

  • n. Occurrence or existence at the same time; simultaneity.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the relation that exists when things occur at the same time


From synchronous.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek σύν (syn, "with") + χρόνος (chronos, "time"). (Wiktionary)



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