1. (noun) a type of serial music introduced by Arnold Schoenberg; uses a tone row formed by the twelve semitones of the chromatic scale (and inverted or backward versions of the row)

• 12-tone music
• 12-tone system
• twelve-tone system

1. (noun) a type of serial music introduced by Arnold Schoenberg; uses a tone row formed by the twelve semitones of the chromatic scale (and inverted or backward versions of the row)

• serial music
• serialism