increasing influence
1 [U,C] ~ (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 [C] ~ (to sth) (BrE) (AmE addition) 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] ~ (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 [C] (abbreviation 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 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] (AmE) 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 [C] (BrE) = EXTENSIONLEAD
IDIOMS
by extension (formal) taking the argument or situation one stage further:
The blame lies with the teachers and, by extension, with the Education Service.
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About this entry
This is a English–English dictionary entry.
Sourced from Main Dictionary in Lughet's collection.
This word also appears under other sources in Lughet's collection — see the list below.
Where does this definition of extension come from?
This entry for extension is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is extension a noun, verb, or something else?
In this entry, extension is tagged as noun.
Does extension appear elsewhere on Lughet?
Yes — extension appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.
