syn·chro·nous

[sing-kruh-nuhs]
adjective
1.
occurring at the same time; coinciding in time; contemporaneous; simultaneous.
2.
going on at the same rate and exactly together; recurring together.
3.
Physics, Electricity. having the same frequency and zero phase difference.
4.
Computers, Telecommunications. of, pertaining to, or operating using fixed-time intervals controlled by a clock ( opposed to asynchronous ).
5.
Aerospace. geostationary.

Origin:
1660–70; < Late Latin synchronus < Greek sýnchronos, equivalent to syn- syn- + chrón(os) time + -os adj. suffix; see -ous

syn·chro·nous·ly, adverb
syn·chro·nous·ness, noun
non·syn·chro·nous, adjective
non·syn·chro·nous·ly, adverb
non·syn·chro·nous·ness, noun
un·syn·chro·nous, adjective
un·syn·chro·nous·ly, adverb
un·syn·chro·nous·ness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To synchronous
00:10
Synchronous is always a great word to know.
So is callithumpian. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
Collins
World English Dictionary
synchronous (ˈsɪŋkrənəs) [Click for IPA pronunciation guide]
 
adj
1.  occurring at the same time; contemporaneous
2.  physics (of periodic phenomena, such as voltages) having the same frequency and phase
3.  occurring or recurring exactly together and at the same rate: the synchronous flapping of a bird's wings
 
[C17: from Late Latin synchronus, from Greek sunkhronos, from syn- + khronos time]
 
'synchronously
 
adv
 
'synchronousness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

synchronous
1669, "existing or happening at the same time," from L.L. synchronus "simultaneous," from Gk. synchronos "happening at the same time," from syn- "together" + khronos "time." Meaning "recurring at the same successive instants of time" is attested from 1677.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

synchronous syn·chro·nous (sĭng'krə-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.
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FOLDOC
Computing Dictionary

synchronous definition

operating system, communications
1. Two or more processes that depend upon the occurrences of specific events such as common timing signals.
2. Occurring at the same time or at the same rate or with a regular or predictable time relationship or sequence.
Opposite: asynchronous.
(1996-04-11)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Headsets, cameras or fake body parts fooled the eyes, and synchronous strokes and prods added a tactile clincher.
Researchers observed activity first in the parietal cortex, followed by synchronous action there and in the medial temporal area.
These powerful synchronous bursts of electrical activity have been linked to memory stabilization.
It is implicit in the primary synchronous projection of atomic matter
  everywhere at once.
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