English Dictionary

simultaneity

/ˌsɪməltəˈniːɪti/

noun

The quality or state of being simultaneous; simultaneousness.

The concert and the fireworks display happened with simultaneity.

意味（1）

The quality or state of being simultaneous; simultaneousness.

意味（2）

(music) 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.