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Definition of Infrared spectroscopy
1. Noun. (analytical chemistry) The spectroscopic study of the interaction of matter with infrared radiation; used as an analytical tool to identify (mostly organic) compounds. ¹
¹ Source: wiktionary.com
Medical Definition of Infrared spectroscopy
1. The study of the specific absorption in the infrared region of the electromagnetic spectrum; used in the study of the chemical bonds within molecules. (05 Mar 2000)