enharmonic

en·har·mon·ic  (nhär-mnk)

adj. Music

Of, relating to, or involving tones that are identical in pitch but are written differently according to the key in which they occur, as C sharp and D flat, for example.

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[Late Latin enharmonicus, from Greek enarmonios : en-, in; see en-² + harmoni, harmony; see harmony.]

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enhar·moni·cal·ly adv.

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enharmonic [ˌɛnhɑːˈmɒnɪk]

adj Music

1. (Music, other) denoting or relating to a small difference in pitch between two notes such as A flat and G sharp: not present in instruments of equal temperament such as the piano, but significant in the intonation of stringed and wind instruments

2. (Music, other) denoting or relating to enharmonic modulation

[from Latin enharmonicus, from Greek enarmonios, from en-² + harmonia; see harmony]

enharmonically  adv