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Words related to spectrum

spec·trum
S s

  • band spectrum

    a spectrum consisting of a number of bands of closely spaced lines that are associated with emission or absorption of radiation by molecules

  • continuous spectrum

    a spectrum that contains or appears to contain all wavelengths but not spectrum lines over a wide portion of its range. The emission spectrum of incandescent solids is continuous; bremsstrahlung spectra consisting of a large number of lines may appear continuous

  • line spectrum

    an electromagnetic spectrum consisting of discrete lines, usually characteristic of excited atoms or molecules.

  • autism spectrum disorder

    any of various disorders, as autism and Asperger syndrome, commonly manifesting in early childhood and characterized by impaired social or communication skills, repetitive behaviors, or a restricted range of interests.

  • flash spectrum

    the emission spectrum of the chromosphere of the sun, which dominates the solar spectrum in the seconds just before and after a total solar eclipse.

  • spectrum disorder

    any of a group of disorders each having symptoms that occur on a continuum and certain features that are shared along its spectrum but that manifest in markedly different forms and degrees. See also autism spectrum disorder.
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