diatonic scale
US /ˌdaɪ.əˈtɑːn.ɪk ˌskeɪl/
UK /ˌdaɪ.əˈtɑːn.ɪk ˌskeɪl/

1.
escala diatônica
a seven-note musical scale that includes five whole steps and two half steps, commonly used in Western music
:
•
Most Western music is based on the diatonic scale.
A maioria da música ocidental é baseada na escala diatônica.
•
The melody uses notes exclusively from the C major diatonic scale.
A melodia usa notas exclusivamente da escala diatônica de Dó maior.