Extension Hair ɪkˈstenʃn Central Added Extra Contract Noun

• 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.

extension

1. the act of increasing the area of activity, group of people, etc. that is affected by something
• 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.
2. a new room or rooms that are added to a house
3. a new part that is added to a building
• a planned two-storey extension to the hospital
4. an extra period of time allowed for something
• He's been granted an extension of the contract for another year.
• a visa extension
• The pub had an extension (= was allowed to stay open longer) on Christmas Eve.
• She was given an extension to finish writing her thesis.
5. 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?
6. the act of making something 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)
7. 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
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.
• = extension lead
  https://www.oxfordlearnersdictionaries.com/definition/english/extension-lead
9. taking the argument or situation one stage further
• The blame lies with the teachers and, by extension, with the Education Service.

Extra Examples

• 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

Word Origin

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