amplitude

noun am·pli·tude \ -ˌtüd , -ˌtyüd \
|Updated on: 20 Jun 2018
1 : the extent or range of a quality, property, process, or phenomenon: such 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
2 : extent of dignity, excellence, or splendor
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 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 : 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

Recent Examples of amplitude from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amplitude.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of amplitude

see ample

AMPLITUDE Defined for English Language Learners

amplitude

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


Medical Dictionary

amplitude

noun am·pli·tude \ ˈam-plə-ˌt(y)üd \
1 : 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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