spectrum analysis: Meaning and Definition of

spec'trum anal'ysis

Pronunciation: [key]
  1. the determination of the constitution or condition of bodies and substances by means of the spectra they produce.
  2. the ascertaining of the number and character of the constituents combining to produce a sound spectrogram.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.