Spectrum (disambiguation)

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

• Electromagnetic spectrum
  • Visible spectrum or optical spectrum, a subset of the electromagnetic spectrum
  • Emission spectrum observed in light
  • Absorption spectrum observed in light
  • 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 graph, studied in spectral graph theory
• Spectrum of a ring, in commutative algebra
• Spectrum of a C*-algebra
• Spectrum of a theory, in mathematical logic
• Stone space of boolean algebra

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 (Russian novel), a novel by Russian author Sergey Lukyanenko
• Spectrum liftout in The Sydney Morning Herald
• The Spectrum, the local daily newspaper in St. George, Utah

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

• Peter Kember's band
• Spectral (album), album by metal band Skyfire
• Spectrum (band), an Australian group of the 1970s led by Mike Rudd
• Spectrum (Billy Cobham album), debut album of fusion drummer Billy Cobham
• Spectrum (Jega album), debut album of electronic musician Jega
• The Spectrum (Sirius), 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 closed sports arena in Philadelphia, Pennsylvania, U.S.A.
• Spectrum Stadium, one of the major indoor sports venues in Darwin, Northern Territory

Other

• Spectrum Aircraft, a Canadian ultralight aircraft manufacturer
• Spectrum Aeronautical, a US based manufactuer of very light jets
• 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
• Spectrum Range, a mountain range in British Columbia, Canada
• Gaylactic Spectrum Awards or Spectrums, a literary award
• Het Spectrum, a Dutch publishing company
• Sinclair ZX Spectrum, an early British home computer
• Spectrum, the worldwide security organisation in the 1960s TV show Captain Scarlet
• Spectrum, a brand of printer paper owned by Georgia-Pacific

See also

• Spector (disambiguation) (includes Spektor)
• Spectre (disambiguation) or Specter (disambiguation)
• Spectra (disambiguation)
• Spektrum (disambiguation)