synchronous

[ sing-kruh-nuh s ]
/ ˈsɪŋ krə nəs /

adjective

occurring at the same time; coinciding in time; contemporaneous; simultaneous.
going on at the same rate and exactly together; recurring together.
Physics, Electricity. having the same frequency and zero phase difference.
Computers, Telecommunications. of, relating to, or operating using fixed-time intervals controlled by a clock (opposed to asynchronous).
Aerospace. geostationary.

Origin of synchronous

1660–70; < Late Latin synchronus < Greek sýnchronos, equivalent to syn- syn- + chrón(os) time + -os adj. suffix; see -ous
Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for nonsynchronous

synchronous

/ (ˈsɪŋkrənəs) /

adjective

occurring at the same time; contemporaneous
physics (of periodic phenomena, such as voltages) having the same frequency and phase
occurring or recurring exactly together and at the same ratethe synchronous flapping of a bird's wings

Derived Formssynchronously, adverbsynchronousness, noun

Word Origin for synchronous

C17: from Late Latin synchronus, from Greek sunkhronos, from syn- + khronos time
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for nonsynchronous

synchronous

[ sĭngkrə-nəs, sĭn- ]

adj.

Occurring or existing at the same time.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.