Meaning of extension In English

• 0 the fact of reaching, stretching, or continuing; the act of adding to something in order to make it bigger or longer:

  • Martin Luther King, Jr, campaigned for the extension of civil rights to (= for them to include) black people.

  • The extension (= increasing) of police powers in the province has been heavily criticized.

  • His report contained serious criticisms of the finance director, and, by extension (= therefore), of the entire board of management.

  • The article is an extension of (= takes further) the ideas Professor Fox developed in an earlier book.

  • I've applied for an extension to my visa (= asked for it to last longer).

  • They are hoping to get an extension of their loan (= to be given a longer period of time in which to pay it back).

• 1 any of two or more phones in the same house that share the same number, or any of a number of phones connected to a switchboard in a large building such as an office:

  • We have an extension in our bedroom.

  • When you call, ask for extension 3276.

• 2 the last part of the name of a computer file, which comes after a (.) and shows what type of file it is

• 3 a long piece of hair that is added to a person's own hair in order to make the hair longer

• 4 a new part added to a house or other building:

  • We're building an extension to/on our house.

• 5 intended to support students' learning by making them try different or more difficult things in addition to their basic work:

  • The book includes lesson plans and extension activities.

  • extension classes/courses

• 6 any of two or more telephones in the same house that share the same number:

  • We have an extension in our bedroom.

• 7 an amount by which something is increased, or something added to something else:

  • a contract extension

  • I applied for an extension to my visa.

  • [ C ] We’re building an extension on our house to enlarge the kitchen.

• 8 an increase in the period of time during which something is effective:

  • grant/offer/receive an extension When it failed to meet the deadline, the company was granted an extension.

  • a three-month/two-year, etc. extension

  • extension to sth The company has negotiated an extension to the deadline for its £275 million cash-and-paper offer, originally expected tomorrow.

• 9 the fact of giving or offering something to someone:

  • This cheap, available money led to the extension of credit around the world.

• 10 one of the phones in a large building that have their own numbers and are connected to a switchboard (= a piece of equipment used to direct all phone calls):

  • Please give me a call back at extension 1247.

  • Can you put me through to Jan Robert's extension, please?

• 11 an increase in the size or range of something:

  • Most banks are recognizing that customers view Internet banking as an extension of existing services.

  • We are committed to the extension of this tax credit to cover all children born after April 2010.

  • The engineers have begun working on an extension of the canal.

• 12 the last part of the name of a computer file, which comes after a dot (.), and shows what type of file it is:

  • Be sure to leave the file extension unchanged.

• 13 a new part that is added onto a building:

  • The bank syndicate will finance a $460 million extension to the car factory.