A440

noun

A 440 Hertz musical pitch, which serves as the tuning standard for the note A above middle C in concert pitch.

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Meanings

nounA440 (uncountable)
  1. uncountableentertainmentA 440 Hertz musical pitch, which serves as the tuning standard for the note A above middle C in concert pitch.
Cite this entry
APA

A440. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/A440

MLA

“A440.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/A440. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “A440,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/A440.

Source: A440 on Wiktionary, CC BY-SA 4.0.