extension (n.)

  1. a mutually agreed delay in the date set for the completion of a job or payment of a debt; they applied for an extension of the loan'

  2. an additional telephone set that is connected to the same telephone line

    [ Syn: telephone extension , extension phone ]

  3. an addition to the length of something

    [ Syn: elongation ]

  4. an addition that extends a main building

    [ Syn: annex , annexe , wing ]

  5. act of expanding in scope; making more widely available; extension of the program to all in need'

  6. the spreading of something (a belief or practice) into new regions

    [ Syn: propagation ]

  7. an educational opportunity provided by colleges and universities to people who are not enrolled as regular students

    [ Syn: extension service , university extension ]

  8. act of stretching or straightening out a flexed limb

  9. a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename; most applications provide extensions for the files they create; most BASIC files use the filename extension .BAS

    [ Syn: filename extension , file name extension ]

  10. the most direct or specific meaning of a word or expression; the class of objects that an expression refers to; the extension of `satellite of Mars is the set containing only Demos and Phobos

    [ Syn: reference , denotation ]

  11. the ability to raise the working leg high in the air; the dancer was praised for her uncanny extension; good extension comes from a combination of training and native ability'

  12. amount or degree or range to which something extends; the wire has an extension of 50 feet

    [ Syn: lengthiness , prolongation ]

The dictionary is based on the WordNet Electronic Lexical Database.
WordNet 3.0 Copyright 2011 by Princeton University. All rights reserved.