extension

US /ɪkˈstɛnʃən/

UK /ɪkˈstenʃn/

B1

noun

  • The act of extending something; an addition to something.
  • Addition to something, e.g. a house
  • Suffix code of a computer file, e.g. .pdf, .jpg
  • Telephone for individual person, e.g. In an office
  • Something added to the end of something
  • A telephone line connected to a main line.
  • Extra time allowed to complete something
  • The act of making something longer or wider.
  • A new part that is added to something to enlarge or extend it.
  • An additional period of time allowed for something.
  • An extra period of time allowed for something.
  • A new part added to a building.
  • A small software program that adds extra features to a larger program.
  • A suffix to a file name indicating the file format.
  • A software add-on that enhances the capabilities of a program.
  • An electrical cord used to extend the reach of an appliance's power cord.
  • The area over which something extends.
  • A piece of false hair that is attached to someone's own hair to make it longer or thicker.
  • The continuation of something, especially a legal agreement.
  • The act of increasing the length of something.
  • The straightening of a joint or limb.
  • A part that is added to something to make it longer or larger.
  • An extra period of time allowed for something.
  • The range or scope of something.
  • The act of increasing the scope or range of something.
  • An additional telephone line connected to a main line.
  • An additional telephone line connected to a main line.
  • An extra period of time allowed for something.

adjective

  • Adding extra length

Examples

The blame lies with the teachers and, by extension, with the Education Service.

This new job is a further extension of his role as a manager.