Pyramid (disambiguation)

A pyramid is any three-dimensional structure where the upper surfaces are triangular and converge at one point. Pyramid may also refer to:

* Pyramid (geometry), a conic solid with polygonal base
* Egyptian pyramids, the pyramids of Egypt
** Especially, the Pyramids at Giza, which include the Pyramid of Khufu (also known as the "Great Pyramid" or the "Pyramid of Cheops"), the Pyramid of Khafre (or Kephren) and the Pyramid of Menkaure.
* Human pyramid, a stunt usually performed by circus artists or by amateurs
* Population pyramid, in demography, two back-to-back bar graphs, one showing the number of males and one showing females in a particular population in five-year age groups
* Ecological pyramid, a graphical representation designed to show the biomass or productivity at each trophic level in a given ecosystem.
* Food guide pyramid, informally known as the food pyramid, a US-American nutrition guide
* Pyramid of medulla oblongata, a structure in the medulla oblongata
* A hierarchical structure of some organizations
* Pyramid (image processing), the multi-scale representations in image processing and computer vision
* A "Pyramid"- triangular coin worth 25p, legal tender in the Isle of Man since December 2007
* Freytag's pyramid, the name of analyzed dramatic structure by Gustav Freytag, referring to parts of which a short story, a novel, a play, a screenplay, or a narrative poem can be divided.
* The unfinished pyramid on the Reverse of The Great Seal of the United States.

In entertainment

* "Pyramid" aka "Building the Great Pyramid", a 2002 BBC Television documentary film
* Pyramid (solitaire), a single player (solitaire) card game played with a standard 52-card deck
* "Pyramid 2000", an interactive fiction text adventure game
* "Pyramid" (game show), first known as "The $10,000 Pyramid", broadcast mostly in the 1970s and 1980s
* Pyramid (Gladiators), an event from the television series Gladiators
* Pyramid (card game), played by Viper pilots on the "Battlestar Galactica" television show
* "Pyramid" (video game), a Nintendo Entertainment System game
* Pyramid (sport), played in the modern "Battlestar Galactica" television series (in the original show, referred to as "Triad")
* Pyramid (chess), a three-dimensional chess variant played in the "Dune" universe
* "Pyramid" (magazine), an online magazine publishing role-playing and other game articles, published by Steve Jackson Games
* "Pyramids" (Discworld), a "Discworld" novel by Terry Pratchett
* Pyramid Head, character in Silent Hill video games

In sport

* National League System, called "Pyramid system" or "non-League pyramid" for English football below full-time professional level
* Pyramid Arena, in Memphis, Tennessee

In music

* Pyramid Rock Festival, an annual music festival held on December 30 and 31 located in Victoria, Australia
* "The Pyramids" (band), a Surf Rock Band from California
* "The Pyramids" (reggae band), a Reggae Band from Jamaica
* "Pyramid" (album), a concept album by The Alan Parsons Project, released in 1978
* "Pyramid" (Modern Jazz Quartet album), a 1959 album by American jazz band Modern Jazz Quartet released in 1959
* "Pyramid Song", a 2001 single by British experimental rock band Radiohead
* "Pyramid" (song), a song by Australian hard rock band Wolfmother from the 2005 album "Wolfmother"
* The "Pyramid Light Scheme" used in Daft Punk's Alive 2007 World Tour
* Pyramids (noise-rock band), a noise-rock band from Texas

Places

;Australia
* Ball's Pyramid, small island in the Tasman Sea
* Black Pyramid Rock, small island off north-west Tasmania
* East Pyramids, small islands off south-west Tasmania
* Hibbs Pyramid, small island off west Tasmania
* West Pyramid, small island off south-west Tasmania

;Canada
* Pyramid Dome, volcano in British Columbia
* Pyramid Mountain (volcano), volcano in British Columbia

;New Zealand
* The Pyramids is a natural rock formation on Otago Peninsula in the South Island

;Norway
* Pyramiden, a mining settlement in Svalbard

;USA
* The Pyramids, three pyramid-shaped office buildings in Indianapolis.
* Pyramid (Unalaska), mountain on the island of Unalaska, Alaska
* Pyramid Lake, lake in Nevada
* Pyramid Lake (California), artificial lake in California

In business

* Portsmouth Pyramids Centre, also known as Pyramids, a water park and in Portsmouth, UK
* Pyramid Bioplastics [http://www.pyraplast.com]
* Pyramid Books, a New York publishing company
* Pyramid Breweries, Inc., a Seattle-based microbrewery
* Pyramid Building Society, Australian building society bankrupted in 1990
* Pyramid Films, an American producer and distributor of educational and industrial films and videos
* Pyramid scheme, a non-sustainable business model, where one earns money by enrolling other people into the scheme
* Pyramid Technology, a US minicomputer company that existed from 1981 to 1995
* The Pyramid Company, US shopping mall developer

See also

* List of ancient pyramids by country
* Pyramidology, various pseudoscientific speculations regarding supernatural powers of pyramids
* Bipyramid
* Trigonal pyramid (chemistry)