am·pli·tude
(ăḿplĭ-tōōd́, -tyōōd́)
[Latin amplitūdō, from amplus, large.]
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
- The maximum absolute value of a periodic curve measured along its vertical axis.
- 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.