Meaning of ABSORPTION SPECTRUM

Pronunciation:			ab'sorpshun 'spektrum
WordNet Dictionary
	Definition:		[n]  the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths
	Websites:
	See Also:		spectrum
Biology Dictionary
	Definition:		A graph of the amount of light a substance absorbs, plotted as a fuction of energy, frequency or wavelength.