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amplitude

   Also found in: Dictionary/thesaurus, Medical, Acronyms, Wikipedia 0.40 sec.
amplitude (ăm`plĭtd'), in physics, maximum displacement from a zero value or rest position. In the harmonic motion harmonic motion, regular vibration in which the acceleration of the vibrating object is directly proportional to the displacement of the object from its equilibrium position but oppositely directed.
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 of a pendulum, the amplitude of the swing is the greatest distance reached to either side of the central rest position. Amplitude is important in the description of a wave wave, in physics, the transfer of energy by the regular vibration , or oscillatory motion, either of some material medium or by the variation in magnitude of the field vectors of an electromagnetic field (see electromagnetic radiation ).
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 phenomenon such as light or sound. In general, the greater the amplitude of the wave, the more energy it transmits (e.g., a brighter light or a louder sound).

The strength or volume of a signal, usually measured in decibels. See wavelength.

Amplitude
The amplitude is the power of a signal. The greater the amplitude, the greater the energy carried.


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Then she put upon her the white frock that Tess had worn at the club-walking, the airy fulness of which, supplementing her enlarged COIFFURE, imparted to her developing figure an amplitude which belied her age, and might cause her to be estimated as a woman when she was not much more than a child.
To conclude: no man can by care taking (as the Scripture saith) add a cubit to his stature, in this little model of a man's body; but in the great frame of kingdoms and commonwealths, it is in the power of princes or estates, to add amplitude and greatness to their kingdoms; for by introducing such ordinances, constitutions, and customs, as we have now touched, they may sow greatness to their posterity and succession.
And this cruel outward accuser was there in the shape of a wife--nay, of a young bride, who, instead of observing his abundant pen-scratches and amplitude of paper with the uncritical awe of an elegant-minded canary-bird, seemed to present herself as a spy watching everything with a malign power of inference.
 
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