say it: dahy-uh-TAH-nik
diatonic is an adjective meaning "based on the standard major or minor scales consisting of 5 tones and 2 semitones without modulation by accidentals". It carries 2 recorded senses.
Definitions, synonyms and semantic relations for diatonic come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.