Meaning of spectrochemistry

spec•tro•chem•is•try

Pronunciation: (spek"trō-kem'u-strē), [key]
— n.
  1. the branch of chemistry that deals with the chemical analysis of substances by means of the spectra of light they absorb or emit.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.