extension
1. [ noun ] (finance) a mutually agreed delay in the date set for the completion of a job or payment of a debt
Examples:

"they applied for an extension of the loan"

Related terms: delay
2. [ noun ] act of expanding in scope; making more widely available
Examples:

: "extension of the program to all in need"

Related terms: expansion stretch spread widen
3. [ noun ] the spreading of something (a belief or practice) into new regions
Synonyms: propagation
Related terms: dissemination propagate
4. [ noun ] (education) an educational opportunity provided by colleges and universities to people who not enrolled as regular students
Synonyms: university_extension extension_service
Related terms: education extension_course
5. [ noun ] act of stretching or straightening out a flexed limb
Related terms: contraction flexion stretching hyperextension stretch
6. [ noun ] the most direct or specific meaning of a word or expression; the class of objects that an expression refers to
Synonyms: reference denotation
Examples:

"the extension of `satellite of Mars' is the set containing only Demos and Phobos"

Related terms: meaning denote
7. [ noun ] (fine art,dance) the ability to raise the working leg high in the air
Examples:

"the dancer was praised for her uncanny extension" "good extension comes from a combination of training and native ability"

Related terms: property dance
8. [ noun ] an addition to the length of something
Synonyms: elongation
Related terms: addition elongate
9. [ noun ] (computer science) a string of characters beginning with a period and followed by one to three letters; the optional second part of a PC computer filename
Synonyms: filename_extension file_name_extension
Examples:

"most applications provide extensions for the files they create" "most BASIC files use the filename extension .BAS"

Related terms: string computer_file_name
10. [ noun ] amount or degree or range to which something extends
Synonyms: prolongation lengthiness
Examples:

: "the wire has an extension of 50 feet"

Related terms: longness prolong
11. [ noun ] (telecommunications) an additional telephone set that is connected to the same telephone line
Synonyms: telephone_extension extension_phone
Related terms: telephone
12. [ noun ] an addition that extends a main building
Synonyms: annexe wing annex
Related terms: addition ell ell building
Similar spelling:   extensional
  extenuation
  extent
  extensive
  extensile
  extend
  extensible
  extensively
  extensor
  extended
  extenuate
  extend_to
  extendible
  extendable
  extenuating