- Extension
Extension may refer to:
*Extension (kinesiology) , a movement of a joint in which one part of the body is moved away from another.
*Extension (metaphysics) , the property of taking up space
*Extension (semantics) , the set of things to which a property applied
*Extension (mathematics) ; an extension of some structure is another structure which contains the original structure
*Extension (geology)
*Extension (telephone) , an internal telephone line attached to a PBX or Centrex system
*Software extension , a computer program that is not useful in its own right but designed to be incorporated in another piece of software
** System Extension, a particular type of this software on the classicMac OS
** Extension, a type of add-on forFirefox and other Mozilla projects
*Filename extension , a suffix to the name of a computer file applied to show its format
*Tension (physics)
* Extension (community development), the building of community capacity by outsiders, for instance,agricultural extension
* Extension, a cheerleading stunt in which a flyer is held in the air by the bases' fully extended arms
* Extension, the classical name for the "Mc1r " gene.
*Extension (music) , a set of notes that fit outside the standard range
*Extension, BC is a small former coal-mining village nearNanaimo , BC, Canada
*Enamel extension indentistry
*Extension cable
*Extensive property , in physics, a property which depends on the system size or the amount of material in the system
*Extension school , a school forcontinuing education
*Hair extensions , strands of hair added to supplement a person's existing hair
*Eyelash extensions
* Extensions the 1979 album byThe Manhattan Transfer
* Extension ofuniversal health care .
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