spectrum-analysis

spectrum analysis

noun
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.

Origin:
1865–70

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
spectrum analysis
 
n
the analysis of a spectrum to determine the properties of its source, such as the analysis of the emission spectrum of a substance to determine the electron distribution in its molecules

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Spectrum-analysis is always a great word to know.
So is flibbertigibbet. Does it mean:
a chattering or flighty, light-headed person.
a scrap or morsel of food left at a meal.
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