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extension Definition

ex·ten·sion (-s̸hən)

noun

  1. an extending or being extended
  2. the amount or degree to which something is or can be extended; range; extent
  3. a part that forms a continuation or addition an extension to a factory
  4. an extra period of time allowed a debtor for making payment
  5. a branch of a university for students who cannot attend the university proper
  6. an extra telephone connected to the same line as the main telephone
    1. the straightening of a flexed limb
    2. traction applied to a fractured or dislocated limb so as to bring it into its normal position
  8. Ballet
    1. the act or an instance of extending either leg at any angle from the body
    2. the capability of a dancer to so extend a leg, specif. at a difficult angle for a period of time
  9. Commerce
    1. an amount on an invoice calculated by multiplying quantity by price
    2. the calculation of such an amount
  10. Logic the class of all particular objects to which a term refers; denotation
  11. Physics that property of a body by which it occupies space

Etymology: ME extensioun < L extensio < pp. of extendere: see extend

adjective

designating a device that can be extended or that extends something else extension ladder, extension cord

extension Related Forms

ex·ten′·sional adjective

extension Synonyms

extension

n.

  1. The action of continuing

    augmentation, enlargement, expansion, prolongation; see continuation 1, increase.

  2. The quality of extending

    distance, width, size; see length 2.

  3. Something added

    annex, branch, additional telephone, extra time; see addition 2, 3, delay 1.

extension Usage Examples

Preposition: of

franchise: Political rights refer to the extension of the franchise.

Converse of object

  • propose: Below there is a special article written by the retiring chairman, Chris Fry about the proposed cottage extension.
  • announce: The Budget also announces a further extension to the scope of the new reliefs.
  • build: A builder wishes to build a single story extension to a house with a door leading to a rear garden.

Adjective modifier

  • indefinite: Language goes no further in this direction, but the mathematical symbolism of the differential calculus allows of an indefinite extension of this procedure.
  • logical: There seems no defensible reason for us not to try to help primary teachers as a logical extension of our existing remit.
  • two-year: Northampton's Scott McGleish has been handed a two-year contract extension after firing the Cobblers into League One.
  • rear: A residential home for the elderly is to have a rear extension at ground level.
  • one-year: The 20-year-old signed a one-year contract extension at Gresty Road during the summer after impressing on his first year as a professional.
  • optional: The period of cover is usually twelve months with optional extensions offered for up to three years.

Modifies a noun

  • cable: Extension cables are available, but are not recommended.
  • tube: However, their intimate moment was an ideal time for me to get all my extension tubes out and get in close.
  • cord: If you're using extension cords, rather than hard-wired fixtures, be sure to hide the cords.
  • ladder: If an extension ladder is used is there sufficient overlap between sections?

Noun used with modifier

  • filename: This file sets the default list of mappings from filename extensions to content types; changing this file is not recommended.
  • .vbs: Now open Notepad, paste in the text, when the script is ready, save the file with a .vbs extension.
  • story: A builder wishes to build a single story extension to a house with a door leading to a rear garden.
  • frontpage: FrontPage Extensions Users can enable or disable Microsoft FrontPage Extensions at any time with the click of a button.
  • knee: Resisted knee extension exercises should be avoided until 6 weeks following surgery.
  • visa: Dad forgot to reapply for our visa extension, which he was required to do every four years.