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amplitude
The definition of amplitude refers to the length and width of waves, such as sound waves, as they move or vibrate.
(noun)How much a radio wave moves back and forth is an example of its amplitude.
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See amplitude in Webster's New World College Dictionary
noun
- the quality of being ample or the amount or degree to which a thing extends
- an amount that is more than enough; abundance; fullness
- scope or breadth, as of mind
- the angular distance of a star from the true east or west point of the horizon, at the moment of its rising or setting
- the extreme range of a fluctuating quantity, as an alternating current or the swing of a pendulum, generally measured from the average or mean to the extreme
Origin: L amplitudo < amplus: see ample
See amplitude in American Heritage Dictionary 4
noun
- Greatness of size; magnitude.
- Fullness; copiousness.
- Breadth or range, as of intelligence.
- Astronomy The angular distance along the horizon from true east or west to the intersection of the vertical circle of a celestial body with the horizon.
- Physics The maximum absolute value of a periodically varying quantity.
- Mathematics a. The maximum absolute value of a periodic curve measured along its vertical axis.b. The angle made with the positive horizontal axis by the vector representation of a complex number.
- Electronics The maximum absolute value reached by a voltage or current waveform.
Origin:
Origin: Latin amplitūdō
Origin: , from amplus, large
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