Main Entry: dia·ton·ic

Pronunciation: \ˌdī-ə-ˈtä-nik\

Function: adjective

Etymology: Late Latin diatonicus, from Greek diatonikos, from diatonos stretching, from diateinein to stretch out, from dia- + teinein to stretch — more at thin

Date: 1694

: of, relating to, or being a musical scale (as a major or minor scale) comprising intervals of five whole steps and two half steps

— dia·ton·i·cal·ly \-ˈtä-ni-k(ə-)lē\ adverb