extension

n. expansion; branch of a telephone network; supplement, elongation; reprieve; group of letters (in DOS - 3 letters) which indicates the file type and is separated from the filename by a period (Computers)

Extension may refer to:Extension (kinesiology), a movement of a joint in which one part of the body is moved away from another.Extension (metaphysics), the property of taking up spaceExtension (semantics), the set of things to which a property appliedExtension (mathematics); an extension of some structure is another structure which contains the original structureExtension (geology)Extension (telephone), an internal telephone line attached to a PBX or Centrex systemExtension (computing), a computer program that is not useful in its own right but designed to be incorporated in another piece of softwareTension (physics)System Extension, a particular type of this software on the classic Mac OSExtension (Mozilla), this type of software for Firefox and other Mozilla projectsExtension (community development), the building of community capacity by outsiders, for instance, agricultural extensionExtension (cheerleading), a stunt in which a flyer is held in the air by the bases' fully extended armsExtension, the classical name for the Mc1r gene.Extension (music), a set of notes that fit outside the standard rangeExtension, BC is a small former coal-mining village near Nanaimo, BC, CanadaEnamel extension in dentistryExtension cableExtensive property, in physics, a property which depends on the system size or the amount of material in the systemExtension school, a school for continuing educationFilename extension, a suffix to the name of a computer file applied to show its formatHair extensions, strands of hair added to supplement a person's existing hairEyelash extensionsExtensions the 1979 album by The Manhattan Transfer
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Noun
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"
(hypernym) delay, hold, time lag, postponement, wait
2. act of expanding in scope; making more widely available; "extension of the program to all in need"
(hypernym) expansion, enlargement
(hyponym) spread, spreading
(derivation) widen, broaden, extend
3. the spreading of something (a belief or practice) into new regions
(synonym) propagation
(hypernym) dissemination, airing, public exposure, spreading
4. an educational opportunity provided by colleges and universities to people who not enrolled as regular students
(synonym) extension service, university extension
(hypernym) education, instruction, teaching, pedagogy, educational activity
(part-meronym) extension course
5. act of stretching or straightening out a flexed limb
(antonym) flexion, flexure
(hypernym) stretching
(hyponym) hyperextension
(derivation) stretch, extend
6. a string of characters beginning with a period and followed by one to three 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"
(synonym) filename extension, file name extension
(hypernym) string
(part-holonym) filename, file name, computer filename, computer file name
7. 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"
(synonym) reference, denotation
(hypernym) meaning, substance
8. 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"
(hypernym) property
9. amount or degree or range to which something extends; "the wire has an extension of 50 feet"
(synonym) lengthiness, prolongation
(hypernym) longness
10. an additional telephone set that is connected to the same telephone line
(synonym) telephone extension, extension phone
(hypernym) telephone, phone, telephone set
11. an addition to the length of something
(synonym) elongation
(hypernym) addition, add-on, improver
12. an addition that extends a main building
(synonym) annex, annexe, wing
(hypernym) addition, add-on, improver
(hyponym) ell
(part-holonym) building, edifice

n. extension, expansion, traction; extending, extent, enlargement

n. extension, expansion; extensiveness, spaciousness; elongation; outgrowth; extortion; extent; length; size; duration; compass; extension cord; extension phone