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What does A440 stand for? 

What does A440 mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: A440.

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A40, A41, A42, A43, A44, A45, A46, A47, A48, A49

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What does A440 mean?

A440(Noun)
A four-hundred and forty Hertz tone that serves as the standard for musical pitch, and is the musical note A above middle C.

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    LBP
    A Large Bowel Perforation
    B Low Back Pain
    C Low Blood Pressure
    D Left Bundle Pain

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