Spectrum (disambiguation)
From Wikipedia, the free encyclopedia
The word spectrum (plural, spectra) has many uses:
Contents |
[edit] Common nouns
- The Spectrum article explains why so many things are called by this name
- The spectrum of activity of a drug
- The political spectrum of opinion
- The economic spectrum
- The bipolar spectrum, in psychiatry
- The autistic spectrum, in psychiatry
[edit] In the physical sciences
- The electromagnetic spectrum
- The visible spectrum or optical spectrum, a subset of the electromagnetic spectrum
- An emission spectrum or absorption spectrum observed in light
- The spectral class of stars (astronomy)
- The spectral class of asteroids (astronomy)
- The energy spectrum of a collection of particles (particle physics)
- The frequency spectrum of a signal
- The power spectrum of a signal
- The timbre of a musical note, a spectrum of sound energy
[edit] In pure mathematics
- The spectrum of a matrix is a concept used in linear algebra
- The spectrum of an operator is a concept used in functional analysis (a generalisation of the spectrum of a matrix)
- The spectrum of a ring is a concept in commutative algebra
- The spectrum of a C*-algebra
- A spectrum (homotopy theory)
- The Stone space of a Boolean algebra
- The spectrum of a theory is a concept in mathematical logic
[edit] Proper nouns
- The ZX Spectrum, an early British home computer
- Spectrum Suite of service management products
- A fictional international security organisation in the television series Captain Scarlet
- The Spectrum Awards (Gaylactic Spectrum Awards) are a literary award.
- Spectrum Radio, an AM station based in London.
- Spectral Sound, a record label
- Magazines:
- IEEE Spectrum, a magazine
- Spectrum (magazine), a Seventh-day Adventist magazine
- Companies:
- Het Spectrum, or "Uitgeverij Het Spectrum", a Dutch publishing house
- Spectrum Strategy Consultants, a management consulting firm
- Music groups:
- Spectrum (band), an Australian group of the 1970s led by Mike Rudd
- A more recent group headed by Peter Kember
- Buildings:
- The Smith Spectrum, a sports arena in Logan, Utah
- The Wachovia Spectrum, formerly The Spectrum, a sports arena in Philadelphia
- The Spectrum Leisure Centre, in Guildford, England
- Spectrum London, an art gallery.