Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Happening, existing, or done at the same time. synonym: contemporary.
  • adjective Mathematics Containing variables for which there are values that can satisfy all the equations.

from The Century Dictionary.

  • Existing, occurring, or operating at the same time; contemporaneous; also, in Aristotelian metaphysics, having the same rank in the order of nature: said of two or more objects, events, ideas, conditions, acts, etc.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Existing, happening, or done, at the same time.
  • adjective (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Occurring or transpiring at the same time.

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

  • adjective occurring or operating at the same time

Etymologies

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

[Latin simul, at the same time; see sem- in Indo-European roots + English -taneous (as in instantaneous).]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Medieval Latin simultaneus, from simultim ("at the same time, extended"), from Latin simul ("together, at the same time"); compare similar.

Examples

  • I repeat that we were incapable of waging what we called the simultaneous battle.

    The Speech

  • The indictment alleges he also handed over diagrams of the Arlington subway stations and gave suggestions about where to put explosives on trains to kill the most people in simultaneous attacks planned for 2011.

    Farooque Ahmed Arrested For Plotting DC Terrorist Attack

  • Mr. Yoffie: Because we teach the Chinese courses in simultaneous translation, a very large percentage of students is Chinese-speaking with limited English, which leads to certain types of students.

    Harvard a Hit in China, but India Proves Trickier

  • Is there any need to stockpile more than the supplies needed to contain simultaneous outbreaks in several major cities?

    The Volokh Conspiracy » Biological Weapons Amnesia

  • The indictment alleges he also handed over diagrams of the Arlington subway stations and gave suggestions about where to put explosives on trains to kill the most people in simultaneous attacks planned for 2011.

    Farooque Ahmed Arrested For Plotting DC Terrorist Attack

  • Anyway I'll live but my body said 'stay here under this lovely warm duvet with a cat curled up at your feet and bask' so I've had a glorious snuffly, sneezy morning reading three novels which I have in simultaneous progress.

    47 entries from February 2008

  • The Eight Pieces for Four Timpani, for example, of which four were performed — "Saeta" and "Canaries" are both early (1949) experiments in simultaneous tempi and metric modulation, and, with their predominantly triplet -, eighth -, and dotted-eighth-note vocabulary, there are fleeting audible glimpses of Reichian phase-shifting.

    Magna Carter (7): Either/Or

  • The Eight Pieces for Four Timpani, for example, of which four were performed — "Saeta" and "Canaries" are both early (1949) experiments in simultaneous tempi and metric modulation, and, with their predominantly triplet -, eighth -, and dotted-eighth-note vocabulary, there are fleeting audible glimpses of Reichian phase-shifting.

    Archive 2008-07-01

  • Anyway I'll live but my body said 'stay here under this lovely warm duvet with a cat curled up at your feet and bask' so I've had a glorious snuffly, sneezy morning reading three novels which I have in simultaneous progress.

    Sunday Salon

  • Anyway I'll live but my body said 'stay here under this lovely warm duvet with a cat curled up at your feet and bask' so I've had a glorious snuffly, sneezy morning reading three novels which I have in simultaneous progress.

    Sunday Salon

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