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amplitude
(redirected from Amplitude (wave motion))

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.05 sec.
amplitude /am·pli·tude/ (am´plĭ-tldbomacd)
1. largeness, fullness; wideness in range or extent.
2. in a phenomenon that occurs in waves, the maximal deviation of a wave from the baseline.

amplitude of accommodation  amount of accommodative power of the eye.

amplitude
[am′plityo̅o̅d]
Etymology: L, amplus, wide
the width or breadth of range or extent, such as amplitude of accommodation or amplitude of convergence.

amplitude
largeness, fullness; wideness or breadth of range or extent.

amplitude mode
see A-mode ultrasonography.

amplitude
Cardiac pacing The maximum absolute value attained by an electrical waveform, or any quantity that varies periodically; pacemaker amplitudes express the value of the potential difference in volts or current flow in amperes; pacemaker output pulses have typically averaged 5 volts and 10 milliamps. See Relative fusional vergence.


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