I. |en+ adjective
Etymology: French enharmonique, from Middle French enarmonique, enharmonique, modification (influenced by Middle French -ique -ic) of Greek enarmonios, from en in + harmonia joint, concord, musical scale — more at in , harmony
1.
a. in ancient Greek music : relating to that genus or scale employing quarter tones
b. of a Greek tetrachord : comprising a major third and two quarter tones — compare chromatic
2. : relating to a written change of notes that sound the same on all instruments using the tempered scale
the enharmonic change from A flat to G sharp
3. : relating to the difference in pitch that results from the exact tuning of a diatonic scale and its transposition into another key
• en·harmonically |en+ adverb
II. noun
: an enharmonic note or chord