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   am·pli·tude

   /ˈampləˌto͞od/

   noun

   • 1. the maximum extent of a vibration or oscillation, measured from the position of equilibrium: "the amplitude of alpha rhythms"
   • ▪ the maximum difference of an alternating electrical current or potential from the average value: "the detection of signals only a few microvolts in amplitude"
   • 2. the angular distance of a celestial object from the true east or west point of the horizon at rising or setting.
   • 3. breadth, range, or magnitude: "the amplitude of the crime of manslaughter lies beneath murder"
   • 4. the angle between the real axis of an Argand diagram and a vector representing a complex number.

   Word Origin mid 16th century (in the senses ‘physical extent’ and ‘grandeur’): from Latin amplitudo, from amplus ‘large, abundant’.

   Scrabble Points: 14

   • A

     1

   • M

     3

   • P

     3

   • L

     1

   • I

     1

   • T

     1

   • U

     1

   • D

     2

   • E

     1

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