Spectrum (disambiguation)

Look up spectrum in Wiktionary, the free dictionary.

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 also refer to:

Physical science

• Continuous spectrum of any physical quantity that can change smoothly
• Discrete spectrum (disambiguation)
• Electromagnetic spectrum
  • Visible spectrum or optical spectrum, a subset of the electromagnetic spectrum
  • Emission spectrum observed in light
  • Absorption spectrum observed in light
  • Radio spectrum, radio frequency subset of the electromagnetic spectrum
  • Spectral class of stars in Stellar classification
  • Spectral class of asteroids
  • Spectral power distribution of an illuminant
• Energy spectrum of a collection of particles (particle physics)
• Frequency spectrum of a signal
• Power spectrum of a signal
• Harmonic series (music) (spectrum of sound energy), of a musical note

Social and medical sciences

• Antibiotic classification
• Economic spectrum, disparities between social classes
• Political spectrum of opinion
• Spectrum disorder, in psychiatry

Mathematics

• Spectrum of a matrix, in linear algebra
• Spectrum (functional analysis), a generalization of the concept of matrix eigenvalues to operators
• Spectrum (homotopy theory)
• Spectrum of a C*-algebra
• Spectrum of a graph, studied in spectral graph theory
• Spectrum of a polygon, the set of numbers of possible equidissections
• Spectrum of a ring, in commutative algebra
• Spectrum of a theory, in mathematical logic
• Stone space of boolean algebra
• Beatty sequence (non-standard name)

Media

• IEEE Spectrum, a magazine
• Spectrum (magazine), an independent Seventh-day Adventist magazine
• Spectrum (TV channel), a defunct Chicago-area pay television broadcaster founded by United Cable
• Spectrum (newspaper), a defunct Toledo, Ohio weekly newspaper
• Spectrum (1958 TV series), a Canadian television series
• Spectrum (novel), a 2002 novel by Russian author Sergey Lukyanenko
• Spectrum (radio program), a daily broadcast series on CBS Radio, c. 1970–1992
• Spectrum liftout in The Sydney Morning Herald

Student newspapers

• The Spectrum (USLS), the student newspaper of the University of St. La Salle in the Philippines
• NDSU Spectrum, the student newspaper of the North Dakota State University
• The Spectrum (newspaper), the student newspaper of the University at Buffalo

Music

• Spectral music
• Peter Kember's band
• Spectrum (band), an Australian group of the 1970s led by Mike Rudd
• Spectral (album),a 2004 album by metal band Skyfire
• Spectrum (Billy Cobham album), debut album of fusion drummer Billy Cobham
• Spectrum (Cedar Walton album), the second album by jazz pianist Cedar Walton
• Spectrum (Jega album), debut album of electronic musician Jega
• Spectrum (Steve Howe album), 2005
• Spectrum (Illinois Jacquet album), 1965
• "Spectrum (Say My Name)", a 2012 song by British indie rock band Florence and the Machine
• "Spectrum" (Zedd song), a 2012 song by German electronic dance music producer Zedd; also covered by SM The Performance
• The Spectrum (Sirius XM), a music channel on Sirius Satellite Radio

Buildings and structures

• Spectrum (Montreal), a defunct concert venue and local landmark
• Spectrum London, UK, an art gallery
• Guildford Spectrum, a leisure complex in Guildford, England
• Smith Spectrum, a sports arena in Logan, Utah, U.S.A.
• Spectrum (arena), a former sports arena in Philadelphia, Pennsylvania, U.S.A.
• Spectrum, North York, a condo development in North York, Toronto
• Spectrum Stadium, one of the major indoor sports venues in Darwin, Northern Territory

Business

Companies

• Spectrum Aircraft, a Canadian ultralight aircraft manufacturer
• Spectrum Aeronautical, a US-based manufacturer of very light jets
• Het Spectrum, a Dutch publishing company
• Spectrum Pharmaceuticals, an American biopharmaceutical company

Products

• Spectrum (racing car), a series of Australian open wheel racing cars manufactured by Borland Racing Developments
• Chevy Spectrum, a North American car also sold as the Geo Spectrum
• Sinclair ZX Spectrum, an early British home computer
• Spectrum, a brand of printer paper owned by Georgia-Pacific

Other

• Spectrum Range, a mountain range in British Columbia, Canada
• Gaylactic Spectrum Awards or Spectrums, a literary award
• Spectrum (horse), a thoroughbred racehorse
• Spectrum, the worldwide security organisation in the 1960s TV series Captain Scarlet and the Mysterons
• The SPECTRUM Standard, a Museum Collections Management Standard developed by the Collections Trust

See also

• Spector (disambiguation) or Spektor
• Spectre (disambiguation) or Specter
• Spectra (disambiguation)
• Spektrum (disambiguation)
• The Spectrum (disambiguation)

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.