A♯
See also: Appendix:Variations of "a"
English
Noun
A♯ (plural A♯s)
- A musical note that lies a chromatic semitone above A and a diatonic semitone below B, thus being enharmonic to B♭; the eleventh semitone of the solfege; when calculated in equal temperament with a reference of A above middle C as 440 hertz, it has a frequency of approximately 466.164 Hz.
Alternative forms
- A sharp
- A-sharp
Synonyms
- La Dièse