n. 1 modulation of the voice; accent. 2 the act of intoning. 3 accuracy of pitch in playing or singing (has good intonation). 4 the opening phrase of a plainsong melody. intonational adj.
[ med.L intonatio (as INTONE) ]
INTONATION
Meaning of INTONATION in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012