Meaning of EXTENSION in English

EXTENSION

/ ɪkˈstenʃn; NAmE / noun

INCREASING INFLUENCE

1.

[ U , C ] extension (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.

OF BUILDING

2.

[ C ] extension (to sth) ( BrE ) ( NAmE add·ition ) a new room or rooms that are added to a house

3.

[ C ] a new part that is added to a building :

a planned two-storey extension to the hospital

EXTRA TIME

4.

[ C ] extension (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.

TELEPHONE

5.

[ C ] ( 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.

[ U , C ] 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.

[ C ] 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

ELECTRICAL

9.

[ C ] ( BrE ) = extension lead

IDIOMS

- by extension

••

WORD ORIGIN

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

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.