- extension
- /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.2 TELEPHONE (C)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 material6 MAKING STH BIGGER (singular uncountable) the process of making a road, building etc bigger or longer(+ of): the proposed extension of the London-Cambridge motorway7 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)9 STRETCH ARM/LEG (U)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/ adjective1 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.