amplitude

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noun am·pli·tude \-ˌtüd, -ˌtyüd\

Definition of amplitude

  1. 1 :  the extent or range of a quality, property, process, or phenomenon: such asa :  the extent of a vibratory movement (as of a pendulum) measured from the mean position to an extremeb :  the maximum departure of the value of an alternating current or wave from the average value

  2. 2 :  extent of dignity, excellence, or splendor

  3. 3 :  the quality or state of being ample :  fullness, abundance … the long unerring lines, the sweep and amplitude of the great artist's stroke … — Edith Wharton

  4. 4 mathematics :  the angle assigned to a complex number when it is plotted in a complex plane using polar coordinates —called also argument — compare absolute value 2

  5. 5 :  the height achieved on a jump by a snowboarder, skateboarder, skier, etc. “ … a lot of my strength in snowboarding is my amplitude … ” — Shaun White

Examples of amplitude in a Sentence

  1. the amplitude of Thomas Jefferson's interests—government, architecture, agriculture, science, philosophy—is truly awesome

Origin and Etymology of amplitude

see ample


First Known Use: 1542


AMPLITUDE Defined for English Language Learners

amplitude

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noun am·pli·tude \-ˌtüd, -ˌtyüd\

Definition of amplitude for English Language Learners

  • : a measurement that indicates the movement or vibration of something (such as a sound wave or a radio wave)


Medical Dictionary

amplitude

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noun am·pli·tude \ˈam-plə-ˌt(y)üd\

Medical Definition of amplitude

  1. 1:  the extent or range of a quality, property, process, or phenomenon: asa:  the extent of a vibratory movement (as of a pendulum) measured from the mean position to an extremeb:  the maximum departure of the value of an alternating current or wave from the average value



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