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1. Dictionary

   extension

   /ɪkˈstɛnʃn/

   noun

   • 1. a part that is added to something to enlarge or prolong it: "the railway's southern extension" Similar additionadd-onadjunctaddendumaugmentationsupplementappendageappendixannexewingsupplementary buildingell
   • ▪ a room or rooms added to an existing building: "they hope to demolish the store and build a bar extension" Similar additionadd-onadjunctaddendumaugmentationsupplementappendageappendixannexewingsupplementary buildingell
   • ▪ lengths of artificial hair woven into a person's own hair to create a very long hairstyle.
   • ▪ the action or process of enlarging or extending something: "the extension of the President's powers" Similar expansionincreaseenlargementwideningbroadeningdeepeningdiversificationheighteningaugmentationenhancementamplificationdevelopmentgrowthcontinuationelongationlengtheningstretchingdrawing outOpposite shrinkingcontraction
   • ▪ an application of an existing system or activity to a new area: "direct marketing is an extension of telephone selling"
   • ▪ an additional period of time given to someone to hold office or fulfil an obligation: "the initial term of appointment is for one year, but an extension of two years is envisaged" Similar prolongationlengtheningincreaseprotractioncontinuationperpetuationpostponementdeferraldelaylonger periodmore/extra timeincreased timeadditional timeOpposite shortening
   • ▪ permission granted to licensed premises for the sale of alcoholic drinks until later than usual: British "drinks were served until the early hours of the morning, without any extension having been granted" Similar prolongationlengtheningincreaseprotractioncontinuationperpetuationOpposite shortening
   • ▪ an optional suffix to a filename, typically consisting of a full stop followed by several characters, indicating the file's content or function.
   • 2. a length of electric cable which permits the use of appliances at some distance from a fixed socket.
   • 3. a subsidiary telephone on the same line as the main one: "you can listen on the extension in the bedroom"
   • ▪ a subsidiary telephone in a large building, on a line leading from the main switchboard but having its own additional number: "contact Liz McDonald on extension 3514"
   • 4. the action of moving a limb from a bent to a straight position: "seizures with sudden rigid extension of the limbs"
   • ▪ the ability of a dancer to raise one leg above their waist, especially to the side: "she has amazing extension"
   • ▪ the application of traction to a fractured or dislocated limb or to an injured spinal column to restore it to its normal position.
   • ▪ the lengthening of a horse's stride at a particular pace.
   • 5. denoting instruction by a university or college arranged for people who are not full-time students: "a postgraduate extension course"
   • 6. the range of a term or concept as measured by the objects which it denotes or contains.
   • 7. the property of occupying space: "nature, for Descartes, was pure extension in space"

   Word Origin late Middle English: from late Latin extensio(n-), from extendere ‘stretch out’ (see extend).

   Derivatives

   • 1. extensional adjective

   Scrabble Points: 16

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     8

   • T

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   • N

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   • I

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   More definitions, origin and scrabble points

2. dictionary.cambridge.org › dictionary › englishEXTENSION | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

   • Cached

   the fact of reaching, stretching, or continuing; the act of adding to something in order to make it bigger or longer: extension of The extension (= increasing) of police powers in the province has been heavily criticized. The article is an extension of (= takes further) the ideas Professor Fox developed in an earlier book.

3. www.merriam-webster.com › dictionary › extensionExtension Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › extension

   • Cached

   The meaning of EXTENSION is the action of extending : state of being extended. How to use extension in a sentence.

4. dictionary.cambridge.org › us › dictionaryEXTENSION | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

   • Cached

   the fact of reaching, stretching, or continuing; the act of adding to something in order to make it bigger or longer: extension of The extension (= increasing) of police powers in the province has been heavily criticized. The article is an extension of (= takes further) the ideas Professor Fox developed in an earlier book.

5. www.dictionary.com › browse › extensionEXTENSION Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › extension

   • Cached

   Extension definition: an act or instance of extending, lengthening, stretching out, or enlarging the scope of something.. See examples of EXTENSION used in a sentence.

6. www.oxfordlearnersdictionaries.com › english › extensionextension noun - Definition, pictures, pronunciation and usage...

   www.oxfordlearnersdictionaries.com › english › extension

   • Cached

   [uncountable, countable] extension (of something) the act of increasing the area of activity, group of people, etc. that is affected by something. the extension of new technology into developing countries; a gradual extension of the powers of central government; The bank plans various extensions to its credit facilities.

7. www.collinsdictionary.com › dictionary › englishEXTENSION definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

   • Cached

   An extension is a phone line that is connected to the switchboard of a company or institution, and that has its own number. The written abbreviation ext. is also used. She can get me on extension 308. For further information, please contact 414 3925, extension 2253. 6. countable noun.

8. www.vocabulary.com › dictionary › extensionExtension - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › extension

   An extension is the act of getting more time, space, or length, like an extension of a deadline that gives you one more day to turn in a paper, or extensions that make your hair look longer. The noun extension comes from the Latin word extendere, meaning “stretch out.”.

9. dictionary.cambridge.org › dictionary › learner-englishEXTENSION | meaning - Cambridge Learner's Dictionary

   dictionary.cambridge.org › dictionary › learner-english

   • Cached

   EXTENSION definition: 1. a new room or rooms that are added to a building: 2. extra time that you are given to do or use…. Learn more.

10. www.thefreedictionary.com › extensionExtension - definition of extension by The Free Dictionary

    www.thefreedictionary.com › extension

    • Cached

    n. 1. The act of extending or the condition of being extended: the extension of the subway into the suburbs. 2. The amount, degree, or range to which something extends or can extend: The wire has an extension of 50 feet. 3. a. The act of straightening or extending a limb. b. The position assumed by an extended limb. 4.

11. www.yourdictionary.com › extensionExtension Definition & Meaning | YourDictionary

    www.yourdictionary.com › extension

    • Cached

    noun. extensions. An extending or being extended. Webster's New World. Similar definitions. The amount or degree to which something is or can be extended; range; extent. Webster's New World. Similar definitions. A part that forms a continuation or addition. An extension to a factory. Webster's New World. The position assumed by an extended limb.