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simultaneous - 4 dictionary results

si⋅mul⋅ta⋅ne⋅ous

  [sahy-muhl-tey-nee-uhs, sim-uhl-]
Use simultaneous in a Sentence
–adjective
existing, occurring, or operating at the same time; concurrent: simultaneous movements; simultaneous translation.
Origin:
1650–60; < L simul together (see similar ) + (instan)taneous

Related forms:
si⋅mul⋅ta⋅ne⋅ous⋅ly, adverb
si⋅mul⋅ta⋅ne⋅ous⋅ness, si⋅mul⋅ta⋅ne⋅i⋅ty  [sahy-muhl-tuh-nee-i-tee, sim-uhl-] , noun

Synonyms:
synchronous, coincident.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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si·mul·ta·ne·ous   (sī'məl-tā'nē-əs, sĭm'əl-)   
adj.  
  1. Happening, existing, or done at the same time. See Synonyms at contemporary.
  2. Mathematics Containing variables for which there are values that can satisfy all the equations: simultaneous equations.

[Latin simul, at the same time; see sem-1 in Indo-European roots + English -taneous (as in instantaneous).]
si'mul·ta'ne·ous·ly adv., si'mul·ta'ne·ous·ness, si'mul·ta·ne'i·ty (-tə-nē'ĭ-tē, -nā'-) n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Simultaneous

Si`mul*ta"ne*ous\, a. [LL. simultim at the same time, fr. L. simul. See Simulate.] Existing, happening, or done, at the same time; as, simultaneous events. -- Si`mul*ta"ne*ous*ly, adv. -- Si`mul*ta"ne*ous*ness, n.

Simultaneous equations (Alg.), two or more equations in which the values of the unknown quantities entering them are the same at the same time in both or in all.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Language Translation for : simultaneous
Spanish: simultáneo,
German: gleichzeitig,
Japanese: 同時に起こる
More Translations »

simultaneous 
1652 (implied in simultaneity), from L.L. simultaneus, from L. simul "at the same time" (see similar) + -taneous, abstracted from spontaneous, etc.
Online Etymology Dictionary, © 2001 Douglas Harper
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