Tra từ extension - Từ điển Oxford Advanced Learner 8th

ex·ten·sion [extension extensions] BrE [ɪkˈstenʃn] NAmE [ɪkˈstenʃn] noun

INCREASING INFLUENCE
1. uncountable, countable ~ (of sth) the act of increasing the area of activity, group of people, etc. that is affected by sth
•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.
• My home life was becoming no more than an extension of my job.

OF BUILDING
2. countable ~ (to sth) (BrE) (NAmE add·ition)a new room or rooms that are added to a house
3. countable a new part that is added to a building
•a planned two-storey extension to the hospital

EXTRA TIME
4. countable ~ (of sth) an extra period of time allowed for sth
• He's been granted an extension of the contract for another year.
•a visa extension
• (BrE) The pub had an extension (= was allowed to stay open longer) on Christmas Eve.
•She was given an extension to finish writing her thesis.

TELEPHONE
5. countable (abbr.ext.)an extra telephone line connected to a central telephone in a house or to a ↑switchboard in a large building. In a large building, each extension usually has its own number
• We have an extension in the bedroom.
• What's your extension number?
•Can I have extension 4332 please?

MAKING STH LONGER/LARGER
6. uncountable, countable the act of making sth longer or larger; the thing that is made longer and larger
•The extension of the subway will take several months.
•extensions to the original railway track
•hair extensions (= pieces of artificial hair that are added to your hair to make it longer)

COLLEGE/UNIVERSITY
7. countable a part of a college or university that offers courses to students who are not studying ↑full-time; a programme of study for these students
•La Salle Extension University
•extension courses

COMPUTING
8. the set of three letters that are placed after a dot at the end of the name of a file and that show what type of file it is
•The extension.doc indicates a word-processing file.

ELECTRICAL
9. countable (BrE) = ↑extension lead
Idiom: ↑by extension
See also: ↑addition

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

Collocations:
Decorating and home improvement
Houses
refurbish/renovate/ (BrE) do up a building/a house
convert a building/house/room into homes/offices/(especially NAmE) apartments/(BrE) flats
extend/enlarge a house/building/room/kitchen
build (BrE) an extension (to the back/rear of a house)/(NAmE) an addition (on/to sth)/(BrE) a conservatory
knock down/demolish a house/home/building/wall
knock out/through the wall separating two rooms
Decoration
furnish/paint/ (especially BrE) decorate a home/house/apartment/flat/room
be decorated in bright colours/(especially US) colors/in a traditional style/with flowers/with paintings
paint/plaster the walls/ceiling
hang/put up/strip off/remove the wallpaper
install/replace/remove the bathroom fixtures/(BrE) fittings
build/put up shelves
lay wooden flooring/timber decking/floor tiles/a carpet/a patio
put up/hang/take down a picture/painting/poster/curtain
DIY/home improvement
do (BrE) DIY/carpentry/the plumbing/the wiring
make home improvements
add/install central heating/underfloor heating/insulation
fit/install double-glazing/a smoke alarm
insulate your house/your home/the walls/the pipes/the tanks/(especially BrE) the loft
fix/repair a roof/a leak/a pipe/the plumbing/a leaking (especially BrE) tap/(NAmE usually) faucet
block/clog (up)/unblock/unclog a pipe/sink
make/drill/fill a hole
hammer (in)/pull out/remove a nail
tighten/untighten/loosen/remove a screw
saw/cut/treat/stain/varnish/paint wood

Example Bank:
•Hair extensions make your hair look longer.
•He's applied for an extension of his visa.
•I'll give you my extension number, so you can phone me directly.
•She got an extension for writing her essay.
•The company sees brand extensions as a means of tempting back customers.
•The player has signed a five-year contract extension.
•The team appraisal is a logical extension of the individual appraisal interview.
•They're building an extension to their house.
•This new job is a further extension of his role as a manager.
•He's been granted an extension of the contract for another year.
•a planned extension to the hospital