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:

• 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
  • Stellar spectrum, the combination of continuum, absorption, and emission lines produced by a star
• Energy spectrum, of a collection of particles (particle physics)
• Frequency spectrum, of a signal
• Power spectrum, of a signal

• Spectrum disorder, a group of mental disorders of similar appearance or thought to share an underlying mechanism
  • Autism spectrum, encompassing autism, Asperger's, etc.
• Antimicrobial spectrum, the range of microorganisms an antibiotic can kill or inhibit

In mathematics, spectrum frequently denotes a set of numbers associated to an object:

• Spectrum of a matrix, its set of eigenvalues, in linear algebra
  • Spectrum (functional analysis), a generalization of the concept of matrix eigenvalues to operators
  • Spectrum of a graph, studied in spectral graph theory
  • Pseudospectrum
• Spectrum of a polygon, the set of numbers of possible equidissections
• Spectrum of a sentence, in mathematical logic
• Spectrum of a theory, in mathematical logic

There are also several other, unrelated meanings:

• Spectrum (topology), the fundamental object of study in stable homotopy theory
• Spectrum of a C*-algebra, a kind of dual object
• Spectrum of a ring, the set of its prime ideals, in commutative algebra

• Spectrum (brand), a brand name used by Charter Communications for their telecommunication services, including:
  • Spectrum News, a group of six cable news channels
  • Spectrum Sports, a group of nine regional sports networks in the US
  • Spectrum TV Stream, a streaming service

• IEEE Spectrum, a magazine by the Institute of Electrical and Electronics Engineers
• Spectrum (magazine), an independent Seventh-day Adventist magazine
• Spectrum (newspaper), a defunct Toledo, Ohio weekly newspaper
• Spectrum, a news website published by the Simons Foundation Autism Research Initiative
• The Spectrum (Utah), also known as The Spectrum & Daily News, a Gannett newspaper in St. George, Utah
• Spectrum (novel), a 2002 novel by Russian author Sergey Lukyanenko
• Spectrum, a magazine published with Scotland on Sunday
• Spectrum, a liftout in The Sydney Morning Herald

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

• Spectrum (TV channel), a defunct Chicago-area pay television broadcaster founded by United Cable
• Spectrum (TV series), a 1958 Canadian television series
• Spectrum (radio program), a daily broadcast series on CBS Radio, c. 1970–1992

• The Spectrum (Sirius XM), a music channel on Sirius Satellite Radio

• Spectrum (band), an Australian group of the 1970s led by Mike Rudd
• Spectrum (group), a South Korean boy group formed in 2018
• Spectrum, a British band led by Peter Kember
• Spectrum, a bluegrass band that included Béla Fleck and Jimmy Gaudreau
• Spectrum (The Carpenters), 1960s jazz band led by Richard and Karen Carpenter
• The Spectrum (1964–1970), a London-based pop group coincidentally providing the closing theme for the spectrum-themed TV show Captain Scarlet and the Mysterons

• Spectrum (Billy Cobham album), debut album of fusion drummer Billy Cobham
• Spectrum (Cedar Walton album), the second album by jazz pianist Cedar Walton
• Spectrum (Heals album), debut album of Indonesian band Heals
• Spectrum (Jega album), debut album of electronic musician Jega
• Spectrum (Steve Howe album), 2005
• Spectrum (Illinois Jacquet album), 1965
• Spectrum (Westlife album), 2019
• The Spectrum (album), of 2017 by Daley
• Spectrum (Hiromi album), 2019
• Spectrum, by iamjakehill, 2017

• "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
• "Spectrum", a 2017 song by musical artist Muzz

• Spectrum, a news website founded by the Simons Foundation Autism Research Initiative
• Spectrum, an Irish radio program hosted by Melanie Verwoerd in 2005
• Monica Rambeau, a Marvel Comics character who uses the name Spectrum
• Spectrum, the worldwide security organisation in the 1960s TV series Captain Scarlet and the Mysterons
• Gaylactic Spectrum Awards or Spectrums, a literary award
• Spectrum Award, in fantasy, science fiction, and horror artwork

• Spectrum (Montreal), a defunct concert venue in Canada
• Spectrum London, an art gallery in England
• Guildford Spectrum, a leisure complex in Guildford, England
• Smith Spectrum, a sports arena in Logan, Utah, US
• Spectrum (arena), a former arena in Philadelphia, Pennsylvania, US
• Spectrum Stadium, near Orlando, Florida, US
• Northlands Spectrum, later known as Northlands Park, a horse racing track in Edmonton, Alberta, Canada

• Spectrum Aircraft, a Canadian ultralight aircraft manufacturer
• Spectrum Aeronautical, a US-based manufacturer of very light jets
• Spectrum Animation, a defunct Japanese animation studio
• Spectrum Brands, an American home-essentials company
• Het Spectrum, a Dutch publishing company
• Spectrum Pharmaceuticals, an American biopharmaceutical company
• Spectrum (Amsterdam) (formerly Librije's Zusje), Michelin-starred restaurant in Amsterdam, the Netherlands

• Spectrum (racing car), a series of Australian open wheel racing cars manufactured by Borland Racing Developments
• Geo Spectrum or Chevrolet Spectrum, a sedan and hatchback marketed in North America
• ZX Spectrum, an early British home computer by Sinclair
• Spectrum, a brand of printer paper owned by Georgia-Pacific

• Economic spectrum, disparities between social classes
• Political spectrum, of opinion
• Spectrum Range, a mountain range in British Columbia, Canada
• Spectrum (horse), a thoroughbred racehorse
• SPECTRUM Standard, a Museum Collections Management Standard developed by the Collections Trust

• Spectral music
• Spector (disambiguation) or Spektor
• Spectre (disambiguation) or Specter
• Spectra (disambiguation)
• Spectral (disambiguation)
• Spektrum (disambiguation)

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