[dahy-uh-ton-uh-siz-uh
m] 
| the use of diatonic harmony; composition in a diatonic idiom. |
| di·a·ton·ic (dī'ə-tŏn'ĭk) adj. Music Of or using only the seven tones of a standard scale without chromatic alterations. [Late Latin diatonicus, from Greek diatonikos : dia-, dia- + tonos, tone; see tone.] di'a·ton'i·cal·ly adv., di'a·ton'i·cism (-ĭ-sĭz'əm) n. |