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amplitude
noun
am·pli·tude ˈam-plə-ˌtüd 
-ˌtyüd
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
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 sense 2
Example Sentences
the amplitude of Thomas Jefferson's interests—government, architecture, agriculture, science, philosophy—is truly awesome
Recent Examples on the Web For example, glass can vibrate and even shatter when a soundwave bombards it with the glass's natural frequency at high enough amplitude. 
Michael Kan, PCMAG, 17 Aug. 2022 Their amplitude, however, never changes—it’s the frequency at which the Unifactor seems to vibrate. Sam Thielman, The New Yorker, 9 Aug. 2022 The six letters make up words, and the words combine to form terms in each scattering amplitude. Katie Mccormick, Quanta Magazine, 1 Aug. 2022 But the primary product of the snapping claw is a high-amplitude pressure wave that can cause damage to soft tissues such as those of the brain. Viviane Callier, Scientific American, 14 July 2022 Freestyle and Greco-Roman were second, because of the high-amplitude throws and the elite quality of the competition. Oliver Lee Bateman, Men's Health, 14 June 2022 The simple serenity of Hurlin’s face, framed by cascading curls, is riveting, as is the daring amplitude of her expressive, singular dancing. New York Times, 21 June 2022 The difference between any two whole magnitude numbers — say a 4 and a 5 — is a tenfold increase in amplitude as measured on a seismogram, according to the USGS. Ben Brasch, ajc, 18 June 2022 Pilots can counter by hopping frequencies, or by boosting the amplitude of their broadcast signal. The New Yorker, 9 May 2022 See More
Michael Kan, PCMAG, 17 Aug. 2022 Their amplitude, however, never changes—it’s the frequency at which the Unifactor seems to vibrate. Sam Thielman, The New Yorker, 9 Aug. 2022 The six letters make up words, and the words combine to form terms in each scattering amplitude. Katie Mccormick, Quanta Magazine, 1 Aug. 2022 But the primary product of the snapping claw is a high-amplitude pressure wave that can cause damage to soft tissues such as those of the brain. Viviane Callier, Scientific American, 14 July 2022 Freestyle and Greco-Roman were second, because of the high-amplitude throws and the elite quality of the competition. Oliver Lee Bateman, Men's Health, 14 June 2022 The simple serenity of Hurlin’s face, framed by cascading curls, is riveting, as is the daring amplitude of her expressive, singular dancing. New York Times, 21 June 2022 The difference between any two whole magnitude numbers — say a 4 and a 5 — is a tenfold increase in amplitude as measured on a seismogram, according to the USGS. Ben Brasch, ajc, 18 June 2022 Pilots can counter by hopping frequencies, or by boosting the amplitude of their broadcast signal. The New Yorker, 9 May 2022 See More Word History
Etymology
borrowed from Middle French & Latin; Middle French, borrowed from Latin amplitūdin-, amplitūdō "size, extent, eminence, prestige," from amplus "more than adequate in size or extent, ample, eminent" + -i- -i- + -tūdin-, -tūdō -tude
First Known Use
1542, in the meaning defined at sense 1
Time Traveler
The first known use of amplitude was in 1542 Phrases Containing amplitude
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