Medical Dictionary


noun am·pli·tude \ˈam-plə-ˌt(y)üd\

Medical Definition of AMPLITUDE

:  the extent or range of a quality, property, process, or phenomenon: as a :  the extent of a vibratory movement (as of a pendulum) measured from the mean position to an extreme b :  the maximum departure of the value of an alternating current or wave from the average value
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