Definition of Ionian mode in English:
Ionian mode
noun
MusicThe mode represented by the natural diatonic scale C–C (the major scale).
‘his lesson is on the ionian mode used in music theory for guitar and bass. Modal theory is an important aspect of understanding music theory.’- ‘Incidentally, when you write a major scale from the tonic note up to the tonic note, you are also forming a mode, called the ionian mode!’
Pronunciation
Ionian mode
/īˈōnēən mōd/ /aɪˈoʊniən moʊd/Are You Learning English? Here Are Our Top English Tips