Laboratory Procedure
spectrum analysis
spec·trum a·nal·y·sis [ spek-truhm uh-nal-uh-sis ]
Subclass of:
Chemistry Techniques, Analytical
Definitions related to spectrum analysis:
  • (spectroscopy) Image where signals are identified and separated according to their frequencies, e.g., to identify individual chemicals, or individual nuclei in a chemical compound.
    DICOM Dictionary
    Digital Imaging and Communications in Medicine, 2021
  • (spectroscopy) 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 of Cancer Terms
    U.S. National Cancer Institute, 2021
  • (spectroscopy) 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
    U.S. National Cancer Institute, 2021
  • The measurement of the amplitude of the components of a complex waveform throughout the frequency range of the waveform. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.