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View synonyms for

extension

[ik-sten-shuhn]

noun

  1. an act or instance of extending, lengthening, stretching out, or enlarging the scope of something.

    Synonyms: , , ,
    Antonyms:
  2. the state of being extended, lengthened, or stretched out.

  3. that by which something is extended or enlarged; an addition.

    a four-room extension to a house.

    Synonyms: ,
  4. an additional period of time given one to meet an obligation.

    My term paper wasn't finished so I asked for an extension.

    Synonyms:
  5. something that is expandable or can be extended; an extended object.

    a table with drop-leaf extensions.

  6. range or scope of extending; degree of extensiveness; extent.

    the extension of our knowledge.

    Synonyms:
  7. an additional telephone that operates on the principal line.

  8. Commerce.a written engagement on the part of a creditor, allowing a debtor further time to pay a debt.

  9. Physics.that property of a body by which it occupies space.

  10. Anatomy.

    1. the act of straightening a limb.

    2. the position that a limb assumes when it is straightened.

  11. Surgery.the act of pulling the broken or dislocated part of a limb in a direction from the trunk, in order to bring the ends of the bone into their natural situation.

  12. Also called extent.Logic.the class of things to which a term is applicable, as “the class of such beings as Plato and Alexander” to which the term “man” is applicable.

  13. Mathematics.a function having a domain that includes the domain of a given function and that has the same value as the given function at each point in the domain of the given function.

  14. Also called file extension.Computers.one or more characters at the end of a filename, usually following a period, used to indicate the type of file.

  15. Ѳè.the act of bringing or coming into an extended attitude.



adjective

  1. of or relating to extension courses.

extension

/ ɪˈɛʃə /

noun

  1. the act of extending or the condition of being extended

  2. something that can be extended or that extends another object

  3. the length, range, etc, over which something is extended; extent

  4. an additional telephone set connected to the same telephone line as another set or other sets

  5. a room or rooms added to an existing building

  6. a delay, esp one agreed by all parties, in the date originally set for payment of a debt or completion of a contract

  7. the property of matter by which it occupies space; size

    1. the act of straightening or extending an arm or leg

    2. its position after being straightened or extended

  8. med a steady pull applied to a fractured or dislocated arm or leg to restore it to its normal position See also traction

    1. a service by which some of the facilities of an educational establishment, library, etc, are offered to outsiders

    2. ( as modifier )

      a university extension course

  9. logic

    1. the class of entities to which a given word correctly applies: thus, the extension of satellite of Mars is the set containing only Deimos and Phobos Compare intension

    2. a formal theory that includes among its theorems all the theorems of a given theory

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

extension

  1. MathematicsA set that includes a given and similar set as a subset.

  2. Computer ScienceA set of characters that follow a filename and are separated from it by a period, used to identify the kind of file.

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Other Word Forms

  • extensionality noun
  • extensionalism noun
  • extensional adjective
  • extensionally adverb
  • extensionless adjective
  • nonextension noun
  • nonextensional adjective
  • proextension adjective
  • superextension noun
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Word History and Origins

Origin of extension1

1350–1400; Middle English < Latin ŧԲō- (stem of ŧԲō ). See extensive, -ion
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Word History and Origins

Origin of extension1

C14: from Late Latin ٱԲō a stretching out; see extend
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Example Sentences

Examples have not been reviewed.

He said he believed the move was a "natural extension of messaging services" and not dissimilar to features of rival apps such as Snapchat and Telegram.

From

Since earlier this year, Paramount has made at least one offer to Parker and Stone as an early extension of their overall deal.

From

And the U.S. has the capability to hit Iran even harder than Israel, both militarily and through the extension of sanctions that have already been very punishing to the Iranian economy.

From

Badenoch said Labour's extension of the tax is "killing the oil and gas industry".

From

“When people actually use it, the attitudes are very different. It doesn’t feel like something that’s trying to replace you. When you use it, it very much feels like an extension of your own mind.”

From

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extensimeterextension agent