extensionex‧ten‧sion /ɪkˈstenʃən/ ●●○ S3 W3 noun 
the extension of the Jubilee underground line2extra rooms [countable] British English another room or rooms which are added to a buildingextension to the planned extension to the National Museum a loft extension3extra time [countable usually singular] an additional period of time allowed for something: Donald’s been given an extension to finish his thesis. The pub’s got an extension tonight (=it will stay open longer than usual).4include/affect more than before [singular, uncountable] the development of something in order to make it affect more people, situations, areas than beforeextension of the extension of the copyright laws to cover online materials an extension of the powers of the European Parliament5telephone [countable] a)one of many telephone lines connected to a central system in a large building, which all have different numbers: Can I have extension 316, please? Do you know Mr Brown’s extension number? b)one of the telephones in a house that all have the same number6by extension used when you want to mention something that is naturally related to something else: My primary responsibility is to the pupils, and by extension to the teachers and parents.7extensions [plural] long pieces of artificial hair that can be attached to your hair to make it look longerhair extensions8computer [countable] technical a set of three letters that follow the name of a computer file to show what it is. For example, the extension ‘.doc’ shows that a file is a written document.9electric wire [countable] British English an extension lead10stretch arm/leg [countable, uncountable] the position of a part of the body when it is stretched, or the process of stretching it11university/college [uncountable] part of a university or college that offers courses to people who are not full-time students
EXAMPLES FROM OTHER DICTIONARIES
- "I've been having some problems getting extension," Clark said about his elbow.
- an extension course
- Hello, I'd like extension 2807, please.
- Professor Lohman gave me a one-week extension on my paper.
- the extension of credit to newer customers
- The city is building an extension to the subway line.
- You'll find the Picasso collection in the extension to the museum.
- A parser is an extension of a recogniser which assigns grammatical structure to the input.
- It is just an extension of on-the-road campaigning.
- Some 24, 000 more tickets will be made available by phone or in person for the three-day extension.
- The extension to Inch Abbey has been approved completely but only part of the Ballyduggan extension has received approval.
- The system will also support message passing models such as parallel virtual machine and the high performance Fortran extensions of Fortran 90.
- The twelve sales units in the London office were merely extensions of the New York parent operations.
- Two of the 16-bit slots have local bus extensions.
Longman Language Activatorsomething that is added
· Additions are made to the list from time to time.addition to · There has been a last minute addition to the programme for the President's visit.a new addition (=a new person or thing in a group or list) · In the last three months there has been a new addition to the family - our daughter, Rachel.
something added to food in order to make it last longer, taste better, or look more attractive: · This product contains no artificial additives.· Foods sold under this label are guaranteed to be free from additives and preservatives.
something that is added to something else in order to improve it or make it complete: · Doctors believe that vitamin supplements are largely unnecessary.supplement to: · He sometimes eats fish as a supplement to his vegetarian diet.· The current supplement to the encyclopedia 'Growing Up with Science' has a new section on cycles in nature.
something which is added to a basic product or service which improves it and also costs more: · A wide range of extras are also available.optional extra British: · Tinted windows and a sunroof are optional extras.
as a piece of equipment that can be added or connected to a computer, car etc to make it do more things or make it more useful: · Add-ons such as modems and DVD drives can easily cost you hundreds of dollars.
also addition American another room or rooms that are added to a building: · The Simpsons built a big addition onto the back of their house.· You'll find the Picasso collection in the extension to the museum.
WORD SETSadjoin, verbalcove, nounantechamber, nounanteroom, nounapartment block, nounapse, nounarcade, nounart gallery, nounatrium, nounattic, nounauditorium, nounawning, nounback door, nounback-to-back, nounbailey, nounbalcony, nounbalustrade, nounbanister, nounbarn, nounbasilica, nounbastion, nounbay window, nounblock, nounbrownstone, nounbungalow, nounbunkhouse, nounbyre, nouncabin, nouncampanile, nouncanteen, nouncarport, nouncasement, nouncastle, nounceiling, nouncellar, nouncentre, nounchalet, nounchamber, nounchancel, nounchanging room, nounchateau, nounchimney, nounchimney breast, nounchimney pot, nounchimney stack, nouncladding, nounclerk of works, nouncloakroom, nouncloister, nounclubhouse, nouncoatroom, nouncocktail lounge, nouncolonnade, nouncolumn, nouncommon room, nouncomplex, nouncompound, nounconcourse, nouncondominium, nounconservatory, nounconvent, nouncoping, nouncornerstone, nouncorn exchange, nouncorridor, nouncottage, nouncountry house, nouncountry seat, nouncourthouse, nouncowshed, noundado, noundance hall, noundetached, adjectivedoor, noundoorpost, noundormer, nounedifice, nounentry, nounentryway, nounestate, nounestate agent, nounextension, nouneyrie, nounfacade, nounfallout shelter, nounfamily room, nounfarmhouse, nounfire door, nounfire escape, nounfire station, nounfitment, nounfixture, nounflatlet, nounflight, nounfloor, nounfolly, nounforecourt, nounfort, nounfortress, nounfoyer, nounfrontage, nounfront room, nounfuneral home, noungable, noungabled, adjectivegargoyle, noungrandstand, noungrange, noungranny flat, noungrille, nounground floor, nounguardhouse, nounguesthouse, nounguildhall, noungutter, nounguttering, noungym, noungymnasium, nounhabitation, nounhall, nounhallway, nounhatch, nounhatchway, nounhayloft, nounhealth centre, nounhigh-rise, adjectivehospice, nounhospital, nounlaboratory, nounlanding, nounleaded lights, nounlean-to, nounledge, nounlightning conductor, nounlintel, nounlobby, nounlodge, nounloft, nounlog cabin, nounlounge, nounlouvre, nounmaisonette, nounmezzanine, nounmilking parlour, nounmoving staircase, nounmullion, nounnave, nounniche, nounoast house, nounobelisk, nounoffice building, nounoratory, nounoutbuilding, nounouthouse, nounoverhang, nounparapet, nounparty wall, nounpediment, nounpenthouse, nounperistyle, nounpicture window, nounpilaster, nounpillar, nounpinnacle, nounplatform, nounplumber, nounplumbing, nounpodium, nounpoint, verbPortakabin, nounpotting shed, nounpresbytery, nounpress gallery, nounprivy, nounpublic convenience, nounpyramid, nounrafter, nounrail, nounrampart, nounribbon development, nounrotunda, nounsanctuary, nounschoolhouse, nounscience park, nounsepulchre, nounservice charge, nounshack, nounshed, nounshop front, nounskylight, nounskyscraper, nounsliding door, nounsmokestack, nounsmoking room, nounspiral staircase, nounspire, nounsports centre, nounstack, nounstadium, nounstair, nounstaircase, nounstairway, nounstairwell, nounstall, nounstately home, nounstateroom, nounstation, nounsteeple, nounstep, nounstonework, nounstoop, nounstoreroom, nounstorm cellar, nounstory, nounstudio, nountenement, nountepee, nounterrace, nountheatre, nountoilet, nountool shed, nountower block, nountown hall, nountownhouse, nountransept, nountransom, nountrapdoor, nountreasury, nounturret, nounvault, nounvaulted, adjectivevaulting, nounventilator, nounvestibule, nounvilla, nounwalkway, nounwall, nounwatchtower, nounwater tower, nounweatherboard, nounwedding chapel, nounwing, nounwoodshed, nounworkhouse, nounworkroom, nounworkshop, noun
COLLOCATIONS FROM THE ENTRY Do you know Mr Brown’s extension number?COLLOCATIONS FROM THE CORPUSADJECTIVE
Do you know Mr Brown’s extension number?· South Cave school was opened in 1967, further extensions including a sports hall were completed in 1978.· But the new function as a syllabic symbol received a further extension.· In this case a possible further extension beyond the horizon would present no problems.· After every second teaching unit there is further revision and extension.· There were further extensions of Soviet influence during the 1970s and 1980s.· Between 1818 and 1821, the mill's large southern extension was built, with further extensions completed prior to 1827.· The two opposition members of parliament were firmly opposed to what they saw as a further extension of government power.· There will always be some further extension or growth of democracy to be undertaken.
· He was, rather, a natural driver, for whom the wheel seemed a logical extension of his hands.· Although dangerous, then, as a doctrine in practice, the admission of nodding is a logical extension of principle.· So while wireless data services may be fairly new, they appear to be logical extensions to existing and trusted services.· Thus team appraisal is a logical extension of the individual appraisal Interview.· One need not be a Nobel Prize economist to divine the logical extension of that trend.· Family history and the history of the local community offer logical extensions of this process.· So much modern merchandise is themed with bestselling books that it makes a logical extension to the stock profile.
· Cloning cattle of proven performance seems the natural extension of these techniques.· What a natural extension it would be to take Brady to visit historical sites related to those dolls and their historical eras!· These companies had traditional links with the railways and their raisond'être had been that they were a natural extension of the business.· Automated sample-return missions are a natural extension of this category.· A natural extension of the two approaches is to combine them and test both predictions at the same time.· It seemed a natural extension of his arm.· A bog garden is a natural extension of a pool in which moisture loving plants can be grown.· To Richard Gough local history seemed a natural extension of family history.
· The Library's collection of about 250,000 cuttings will be moved into a purpose-built room within the new extension.· However, research teams are so pleased with the results of science experiments that they asked managers for a new two-day extension.· They dug it up when they was making the trench for the pipes to the new vehicle examination extension.· But with the two new extensions built we were able to work more comfortably with carpeted classrooms.· I found the wretched machine later, in the new extension.· Both institutions claim to be under severe strain - although both are also busy planning new extensions.· The new extension at Lyles will be built in the gap between the two existing factory units.
· Local consultation on the road which would be dual carriageway, with a possible extension is due to end next week.· In this case a possible further extension beyond the horizon would present no problems.· They have further suggested two possible extensions which will be described in the next section.· This concession will be granted for an initial period of five years with possible extension after that.· This route has been earmarked for a possible future extension of the Midland Metro light rail transit system.· In addition, he has suggested some possible extensions for the non-unique region beyond the horizon including one that is time symmetric.· In addition, on some manors, the liberal application of marl made possible an extension of the area under wheat.
NOUN· Schilling signed a $ 15. 45 million, three-year contract extension with the Philadelphia Phillies in April.· Michigan's contract extension would have been worth between $ 22 million and $ 26 million over six years, sources said.· Paup had wanted to sign a contract extension with Green Bay during the 1994 season, but the Packers never approached him.· He and Jeff Bagwell have contract extensions that likely mean they will end their careers with the Astros.· Miami is offering a big contract extension to keep him from leaving campus.· The contract extensions of the 1997 flood employees would be a good place to start.· The contract extension really is two decisions in one.
· The pictures are gone off the walls-a kettle on a long extension lead is on the bare table behind.· I bought an extension lead for the aerial point.· The socket of course was out of reach, but again the case provided an extension lead.· You ask for an extension lead.· Connection to the electricity supply should be via a weatherproof cable connector to the extension lead.· A very short length of cable is supplied with the machine, and this proved annoying unless an extension lead was used.
VERB· They added extensions, steam power and large loom sheds.
· He has promised that he will build an extension if given money.· Otherwise they may be confronted with a partially built, inoperable extension and serious deterioration in the existing service.· Second, it can't support applications such as Video for Windows that build their own extensions to the Windows application binary interface.· They hope to demolish the store and build a bar extension, behind the main stand, in its place.· After six months we decided to build a 12×12' study extension.· Between 1818 and 1821, the mill's large southern extension was built, with further extensions completed prior to 1827.· If you build an extension, a soakaway will often be required.
· Enhancements to the new release enhancements include Posix 1003.4 real-time extensions, which enable users to execute Ada code in Unix environments.· Despite complete protection, including the extension of predator control beyond the boundaries of their reservation, the heath hens never recovered.· It includes an extension of the no-go areas around Shetland.· Future developments include a multi-media extension called Mime.· Other measures can include chicanes, pavement extensions and road narrowings.
· This provides an analytic extension beyond the Cauchy horizon which is another part of Kerr space-time.· The socket of course was out of reach, but again the case provided an extension lead.· We had asked for the additional cost of providing an extension of the present service to the Cuiken area of Penicuik.· They can provide extension services for farmers and invest in industries to process agricultural products.
PHRASES FROM THE ENTRY► extensions
1making something bigger or longer [countable, uncountable] the process of making a road, building etc bigger or longer, or the part that is addedextension of- Women lawyers, and by extension all professional women, looked for ways to balance family and work.
the extension of the Jubilee underground line2extra rooms [countable] British English another room or rooms which are added to a buildingextension to the planned extension to the National Museum a loft extension3extra time [countable usually singular] an additional period of time allowed for something: Donald’s been given an extension to finish his thesis. The pub’s got an extension tonight (=it will stay open longer than usual).4include/affect more than before [singular, uncountable] the development of something in order to make it affect more people, situations, areas than beforeextension of the extension of the copyright laws to cover online materials an extension of the powers of the European Parliament5telephone [countable] a)one of many telephone lines connected to a central system in a large building, which all have different numbers: Can I have extension 316, please? Do you know Mr Brown’s extension number? b)one of the telephones in a house that all have the same number6by extension used when you want to mention something that is naturally related to something else: My primary responsibility is to the pupils, and by extension to the teachers and parents.7extensions [plural] long pieces of artificial hair that can be attached to your hair to make it look longerhair extensions8computer [countable] technical a set of three letters that follow the name of a computer file to show what it is. For example, the extension ‘.doc’ shows that a file is a written document.9electric wire [countable] British English an extension lead10stretch arm/leg [countable, uncountable] the position of a part of the body when it is stretched, or the process of stretching it11university/college [uncountable] part of a university or college that offers courses to people who are not full-time students