intonation

英[ɪntə'neɪʃ(ə)n] 美[,ɪntə'neʃən]

1. rise and fall of the voice pitch

2. singing by a soloist of the opening piece of plainsong

3. the act of singing in a monotonous tone

4. the production of musical tones (by voice or instrument); especially the exactitude of the pitch relations