/Ik'stenSFn/ noun
1 EXTRA ROOMS (C) another room or rooms which are added to a building: The extension to the National Museum houses the Picasso collection.
a) one of many telephone lines in a large building which all have different numbers: extension number: My extension number is 3821.
b) one of two or more telephones, usually in someone's house, which all have the same number: Can you put an extension in the bedroom?
3 EXTRA TIME (countable usually singular) an additional period of time given to someone in order to finish a job, pay money that they owe etc: Donald's been given an extension to finish his thesis. | The pub's got an extension tonight. (=it will stay open longer than usual)
4 ELECTRIC WIRE (C) also extension lead BrE extension cord AmE an additional piece of electric wire used when the wire you already have is not long enough: Use the extension when you cut the grass.
5 CONTROL/INFLUENCE (singular uncountable) a process in which someone's or something's influence or control increases
(+ of): the extension of the copyright laws to cover recorded material
6 MAKING STH BIGGER (singular uncountable) the process of making a road, building etc bigger or longer
(+ of): the proposed extension of the London-Cambridge motorway
7 by extension used before mentioning something that is naturally connected to or is a natural result of something else: My primary responsibility is to the company, and by extension to the people who work for it.
8 UNIVERSITY/COLLEGE (U) part of a British university or college that offers courses to people who are not full time students: extension course (=a course done by people who cannot study full time)
a) a process in which you stretch a part of the body: I had physiotherapy to improve the extension of my right hand.
b) the position of a part of the body when it is stretched: Your leg should now be at full extension.
extensive /Ik'stensIv/ adjective
1 covering a large area: The house stands in extensive grounds. | extensive damage/repairs etc: The storm caused extensive damage.
2 containing or dealing with a lot of information and details: The abortion issue has been the subject of extensive debate.
— extensively adverb: Despite reading extensively, I still failed the exam. — extensiveness noun (U)

Longman dictionary of contemporary English. 2004.

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  • extension — [ ɛkstɑ̃sjɔ̃ ] n. f. • 1361; bas lat. extensio, de extendere « étendre » 1 ♦ Didact. Action de se développer dans le sens de la longueur; son résultat. « Une matière ductile qui par son extension devient un filet herbacé » (Buffon). ⇒ allongement …   Encyclopédie Universelle

  • Extension — • Philosophical term. From Lat. ex tendere, to spread out Catholic Encyclopedia. Kevin Knight. 2006. Extension     Extension     † …   Catholic encyclopedia

  • 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… …   Wikipedia

  • extension — ex·ten·sion n: an increase in length of time; specif: an increase in the time allowed under an agreement Merriam Webster’s Dictionary of Law. Merriam Webster. 1996. extension …   Law dictionary

  • extensión — sustantivo femenino 1. Acción y resultado de extender o extenderse: la extensión de la crisis económica, la extensión de un incendio, la extensión de brazos y piernas. La extensión de la enfermedad es imparable. El monte era un obstáculo para la… …   Diccionario Salamanca de la Lengua Española

  • Extension — (zu lat. extendere ‚ausdehnen, ausweiten‘, bzw. Lehnwort aus dem engl., dann [ɪkˈstɛnʃən]) steht für: engl. hair extension, eine künstliche Haarverlängerung die Streckung eines Gelenkes (z. B. die Aufrichtung der Wirbelsäule), siehe… …   Deutsch Wikipedia

  • Extensión — Saltar a navegación, búsqueda Extensión puede referirse a: Extensión (anatomía), cuando una parte del cuerpo se aleja de otra parte del cuerpo, pivotando en una articulación. Extensión (música), el intervalo entre el sonido más grave y el más… …   Wikipedia Español

  • extension — Extension. s. f. v. Estenduë, Tout corps a extension. on ne peut s imaginer qu il y ait de la quantité, où il n y a point d extension. On dit fig. Extension de privilege, extension d authorité, pour dire, Augmentation d authorité, augmentation de …   Dictionnaire de l'Académie française

  • Extension — Ex*ten sion, n. [L. extensio: cf. F. extension. See {Extend}, v. t.] 1. The act of extending or the state of being extended; a stretching out; enlargement in breadth or continuation of length; increase; augmentation; expansion. [1913 Webster] 2.… …   The Collaborative International Dictionary of English

  • extensión — f. Acción muscular en la que dos miembros se alejan hasta disponerse más o menos alineados. Se opone a flexión. Medical Dictionary. 2011. extensión movimiento mediante el cual dos segmentos de …   Diccionario médico

  • extensión — (Del lat. extensĭo, ōnis). 1. f. Acción y efecto de extender o extenderse. 2. Línea conectada a una centralita. 3. Biol. y Med. Preparación para examen microscópico, generalmente de sangre, exudados o cultivos bacterianos, en la que estas… …   Diccionario de la lengua española

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