Spectrum (disambiguation)

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Simple English Wiktionary
Simple English Wiktionary has a dictionary definition (word meaning) for:

A spectrum is a condition or value that is not limited to a specific set of values but can vary infinitely within a continuum.

Spectrum may refer more specifically to:

In physical sciences
  • The electromagnetic spectrum
    • The visible spectrum or optical spectrum, a subset of the electromagnetic spectrum
    • An emission spectrum observed in light
    • An absorption spectrum observed in light
    • The spectral class of stars in Stellar classification
    • The spectral class of asteroids
  • The energy spectrum of a collection of particles (particle physics)
  • The frequency spectrum of a signal
  • The power spectrum of a signal
  • The timbre (spectrum of sound energy) of a musical note
  • The spectrum of activity of a chemical
In social and medical sciences
  • The economic spectrum
  • The political spectrum of opinion
  • A spectrum disorder, in psychiatry
In mathematics
  • The spectrum of a matrix, in linear algebra
  • The spectrum of an operator, in functional analysis (a generalisation of the spectrum of a matrix)
  • The spectrum of a ring, in commutative algebra
  • The spectrum of a C*-algebra
  • A spectrum (homotopy theory)
  • The Stone space of Boolean algebra
  • The spectrum of a theory, in mathematical logic
Proper nouns
  • IEEE Spectrum, a magazine
  • Spectrum (magazine), published by the Seventh-day Adventist Church
  • Spectrum Strategy Consultants, a management consulting firm
  • Spectrum (band), an Australian group of the 1970s led by Mike Rudd
  • Spectrum, a band headed by Peter Kember
  • The Smith Spectrum, a sports arena in Logan, Utah, U.S.A.
  • The Wachovia Spectrum, formerly The Spectrum, a sports arena in Philadelphia, Pennsylvania, U.S.A.
  • Guildford Spectrum, a leisure complex in Guildford, England
  • Spectrum London, UK, an art gallery
  • The ZX Spectrum, an early British home computer
  • The Gaylactic Spectrum Awards or Spectrums, a literary award
  • Spectrum (album), debut album of fusion drummer, Billy Cobham