A spectrum is a set of related ideas, objects, or properties whose features overlap such that they blend to form a continuum.

Spectrum may also refer to:

Science and technology Physics

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

Medicine 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

Mathematics 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

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

Publications 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

Student newspapers 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

Television 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

Music The Spectrum (Sirius XM), a music channel on Sirius Satellite Radio Groups 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 Albums 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

Songs "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

Other arts and entertainment

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

Buildings and structures 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 Spectrum House, an office building in Bristol Northlands Spectrum, later known as Northlands Park, a horse racing track in Edmonton, Alberta, Canada

Organizations 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 Spectrum Film, a former Dutch film production company founded in 1951 by Louis van Gasteren Spectrum Films (disambiguation), various film production companies 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 Information Technologies, a defunct American networking hardware company

Products Spectrum (rocket) Spectrum, Australian 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

Other uses 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

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