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Vinony

simultaneity

noun

  1. relation between two events assumed to be happening at the same time in a frame of reference
L327816 on Wikidata ↗

Wiktionary

Pronunciation: /ˌsɪməltəˈniːɪti/ / /ˌsaɪməltəˈniɪti/

noun

Etymology: From simultane(ous) + -ity. By surface analysis, simult(aneous) + -aneity. Compare French simultanéité.

  1. The quality or state of being simultaneous; simultaneousness.
  2. 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.