ATONALITY
Meaning of ATONALITY in English
/ay'toh nal"i tee/ , n. Music.
1. the absence of key or tonal center.
2. an atonal principle or style of composition.
[ 1920-25; ATONAL + -ITY ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012