AskDefine | Define simultaneity

Dictionary Definition

simultaneity n : happening or existing or done at the same time [syn: simultaneousness]

User Contributed Dictionary



  1. The quality or state of being simultaneous; simultaneousness.
  2. In the context of "music": In music a simultaneity is more than one complete musical texture occurring at the same time. This first appeared in the music of Charles Ives, and is common in the music of Conlon Nancarrow, and others.


the quality or state of being simultaneous
simultaneity in music

Extensive Definition

Simultaneity is the property of two events happening at the same time in at least one reference frame.
The noun Simult means a supernatural coincidence, two or more divinely inspired events that occur at or near the same period of time that are related to each other in both noticeable and unnoticeable characteristics [Latin simul, at the same time; see sem-1 in Indo-European Roots + English -taneous(as in instantaneous).
  • In mathematics, a system of equations or a set of simultaneous equations share variables; a solution is a set of variable values for which all these equations are satisfied together.
  • In marketing, simultaneity is one of the characteristics of a service which differentiates it from a product. It refers to the idea that the production and consumption of a service occur simultaneously, making it impossible to produce and store a service prior to consumption.
simultaneity in German: Gleichzeitigkeit
simultaneity in French: Simultané
simultaneity in Dutch: Simultaan

Synonyms, Antonyms and Related Words

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