Geon
Encyclopedia
Geon is a term employed in several areas of knowledge:
  • In geology, geons
    Geon (geology)
    The term geon refers to large geologic time intervals.Geologists traditionally subdivide Earth history into a hierarchy of named intervals: eons, eras, periods, etc. . Likewise, historians subdivide the history ofman into intervals that are comparatively much shorter...

     are numerically specified geologic time intervals (geological eons) 100 million years long, counted backward from the present.
  • In physics, a geon
    Geon (physics)
    In theoretical general relativity, a geon is an electromagnetic or gravitational wave which is held together in a confined region by the gravitational attraction of its own field energy. They were first investigated theoretically in 1955 by J. A...

     is a hypothetical gravitational wave packet confined to a compact region by the gravitational attraction of its own field energy.
  • In psychology, geons
    Geon (psychology)
    Geons are the simple 2D or 3D forms such as cylinders, bricks, wedges, cones, circles and rectangles corresponding to the simple parts of an object in Biederman's theory of object recognition. The theory proposes that the visual input is matched against structural representations of objects in the...

     (short for 'geometric ions') are geometrical primitives out of which everyday objects can be represented, as suggested by psychologist Irving Biederman.


Additionally:
  • Geon
    Geonim
    Geonim were the presidents of the two great Babylonian, Talmudic Academies of Sura and Pumbedita, in the Abbasid Caliphate, and were the generally accepted spiritual leaders of the Jewish community world wide in the early medieval era, in contrast to the Resh Galuta who wielded secular authority...

     is short for Geonim, rabbis in the medieval era.
  • Geon is a character from the "King of the Monsters" series of video games.
  • Geon: Emotions
    Geon: Emotions
    Geon: Emotions is a multiplayer-oriented action arcade video game developed by independent software developer Strawdog Studios for the Xbox 360's Xbox Live Arcade service...

    , a video game for Xbox 360's Xbox Live Arcade service
  • Geon (video game)
    Geon (video game)
    Geon is a multiplayer-oriented action arcade video game developed by independent software developer Strawdog Studios. The initial version of the game was originally released as "Geon: Emotions" for the Xbox 360's XBLA service in September 2007....

    a video game for PlayStation 3's PlayStation Network and Nintendo Wii.
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