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  1. Dictionary
    am·pli·tude
    /ˈampləˌto͞od/

    noun

    • 1. the maximum extent of a vibration or oscillation, measured from the position of equilibrium: "the amplitude of alpha rhythms"
    • 2. the angular distance of a celestial object from the true east or west point of the horizon at rising or setting.

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  2. www.britannica.com › science › amplitude-physicsAmplitude | Definition & Facts | Britannica

    Sep 3, 2024 · Amplitude is the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position. Learn how amplitude is measured for transverse and longitudinal waves, and how it relates to frequency and damping.

  3. www.merriam-webster.com › dictionary › amplitudeAmplitude Definition & Meaning - Merriam-Webster

    Amplitude is the extent or range of a quality, property, process, or phenomenon, such as a vibratory movement, an alternating current, or a wave. Learn more about the word history, synonyms, examples, and phrases of amplitude from Merriam-Webster.

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  5. en.wikipedia.org › wiki › AmplitudeAmplitude - Wikipedia

    Amplitude is a measure of the change or magnitude of a periodic or non-periodic variable. Learn about different definitions of amplitude, such as peak, semi-amplitude, peak-to-peak and RMS, and how they apply to waves, signals and sound.

  6. www.dictionary.com › browse › amplitudeAMPLITUDE Definition & Meaning | Dictionary.com

    Amplitude is the state or quality of being ample, especially as to breadth or width; largeness; greatness of extent. It also has specific meanings in physics, electricity, astronomy, and mathematics.

  7. openstax.org › books › physics13.2 Wave Properties: Speed, Amplitude, Frequency, and Period

    Define amplitude, frequency, period, wavelength, and velocity of a wave; Relate wave frequency, period, wavelength, and velocity; Solve problems involving wave properties

  8. dictionary.cambridge.org › dictionary › englishAMPLITUDE | English meaning - Cambridge Dictionary

    Amplitude is a measure of the size or strength of a wave, or a large amount or wide range of something. Learn how to use amplitude in physics, trigonometry, earth science and more with examples and translations.

  9. www.khanacademy.org › v › definition-of-amplitude-and-periodDefinition of amplitude and period (video) | Khan Academy

    David defines the terms amplitude and period for simple harmonic motion and shows how to find them on a graph.