A♯

See also: Appendix:Variations of "a"

English

Noun

A♯ (plural A♯s)

  1. 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

Synonyms
  • La Dièse
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