BITONALITY
Meaning of BITONALITY in English
/buy'toh nal"i tee/ , n. , pl. bitonalities . Music.
the simultaneous occurrence of two tonalities in a composition.
[ 1925-30; BI- 1 + TONALITY ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012