Spectroscopy

Pronunciation

Definition 1

The study of the amount of light that is taken up, given off, or scattered (reflected) by an object. Spectroscopy breaks down light and measures different wavelengths of visible and non-visible light. In medicine, different types of spectroscopy are being used to study tissues and to help make a diagnosis. (NCI Dictionary)

Definition 2

The technique of measuring the emission and absorption of different wavelengths (spectra) of visible and non-visible light. This can be done via a spectroscope, which consists of a slit, prism, collimator lens, object lens, and a grating. (NCI Thesaurus)

Definition 3

Image where signals are identified and separated according to their frequencies, e.g., to identify individual chemicals, or individual nuclei in a chemical compound. (NCI Thesaurus/DICOM)

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