extension

ex·ten·sion

E0295400 (ĭk-stĕn′shən)n.1. The act of extending or the condition of being extended: the extension of the subway into the suburbs.2. The amount, degree, or range to which something extends or can extend: The wire has an extension of 50 feet.3. a. The act of straightening or extending a limb.b. The position assumed by an extended limb.4. A length of human or synthetic hair attached to the scalp or to strands of hair close to the scalp to add volume, length, or color.5. Medicine The application of traction to a fractured or dislocated limb to restore the normal position.6. a. An addition that increases the area, influence, operation, or contents of something: an extension for the vacuum cleaner; built a new extension onto the hospital wing.b. An additional telephone connected to a main line.7. a. An allowance of extra time, as for the repayment of a debt.b. The period of this extra time: three months' extension on the loan.8. The property of an object by which it occupies space.9. a. A program in a university, college, or school offering academic instruction to nontraditional students, such as working adults, who cannot attend classes at the usual place and time.b. A publicly funded program offering such instruction along with information on agriculture, home economics, and business.10. Computers A set of characters that follow a filename and are separated from it by a period, used to identify the kind of file: In most operating systems, filenames having the extension .EXE are executable files.11. Logic The class of objects designated by a specific term or concept; denotation.12. Mathematics A set that includes a given and similar set as a subset.

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[Middle English extensioun, from Old French extension, from Latin extēnsiō, extēnsiōn-, from extēnsus, past participle of extendere, to extend; see extend.]

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ex·ten′sion·al adj.

extension

(ɪkˈstɛnʃən) n1. the act of extending or the condition of being extended2. something that can be extended or that extends another object3. the length, range, etc, over which something is extended; extent4. (Telecommunications) an additional telephone set connected to the same telephone line as another set or other sets5. (Building) a room or rooms added to an existing building6. (Commerce) a delay, esp one agreed by all parties, in the date originally set for payment of a debt or completion of a contract7. (General Physics) the property of matter by which it occupies space; size8. (Physiology) a. the act of straightening or extending an arm or legb. its position after being straightened or extended9. (Medicine) med a steady pull applied to a fractured or dislocated arm or leg to restore it to its normal position. See also traction³10. (Education) a. a service by which some of the facilities of an educational establishment, library, etc, are offered to outsidersb. (as modifier): a university extension course. 11. (Logic) logic a. the class of entities to which a given word correctly applies: thus, the extension of satellite of Mars is the set containing only Deimos and Phobos. Compare intension^1ab. conservative extension a formal theory that includes among its theorems all the theorems of a given theory[C14: from Late Latin extensiō a stretching out; see extend]

ex•ten•sion

(ɪkˈstɛn ʃən)

n. 1. an act or instance of extending. 2. the state of being extended. 3. that by which something is extended; an addition: a four-room extension to a house. 4. an enlargement in scope or degree: an extension of knowledge. 5. the total range of something; compass. 6. an increase in length of time given one to meet an obligation, as the repayment of a debt. 7. the property of a body by which it occupies space. 8. a. the act of straightening a limb. b. the position that a limb assumes when it is straightened. 9. an additional telephone that operates on a principal line. 10. a program by which an institution, as a university, provides instruction or other services away from the regular location or outside regular hours. 11. Logic. the class of things to which a term is applicable; denotation. Compare intension (def. 5). 12. Computers. Also called file extension. one or more characters at the end of a filename, usu. following a period, used to indicate the type of file. [1350–1400; < Latin extēnsiō span] ex•ten′sion•al, adj. ex•ten′sion•al•ly, adv. ex•ten′sion•less, adj.

extension

The straightening of a limb or other body part.

Thesaurus

Noun	1.	extension - 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"delay, postponement, time lag, wait, hold - time during which some action is awaited; "instant replay caused too long a delay"; "he ordered a hold in the action"
	2.	extension - act of expanding in scope; making more widely available; "extension of the program to all in need"enlargement, expansion - the act of increasing (something) in size or volume or quantity or scopespreading, spread - act of extending over a wider scope or expanse of space or timestretch - extension to or beyond the ordinary limit; "running at full stretch"; "by no stretch of the imagination"; "beyond any stretch of his understanding"
	3.	extension - the spreading of something (a belief or practice) into new regionspropagationairing, dissemination, public exposure, spreading - the opening of a subject to widespread discussion and debate
	4.	extension - an educational opportunity provided by colleges and universities to people who are not enrolled as regular studentsextension service, university extensiondidactics, education, educational activity, instruction, pedagogy, teaching - the activities of educating or instructing; activities that impart knowledge or skill; "he received no formal education"; "our instruction was carefully programmed"; "good classroom teaching is seldom rewarded"extension course - a course offered as part of an extension service
	5.	extension - act of stretching or straightening out a flexed limbstretching - act of expanding by lengthening or wideninghyperextension - greater than normal extensionflexion, flexure - act of bending a joint; especially a joint between the bones of a limb so that the angle between them is decreased
	6.	extension - 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"file name extension, filename extensioncomputer file name, computer filename, file name, filename - (computer science) the name given to a computer file in order to distinguish it from other files; may contain an extension that indicates the type of filestring - a linear sequence of symbols (characters or words or phrases)
	7.	extension - 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"denotation, referencemeaning, substance - the idea that is intended; "What is the meaning of this proverb?"
	8.	extension - 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"property - a basic or essential attribute shared by all members of a class; "a study of the physical properties of atomic particles"dance - an artistic form of nonverbal communication
	9.	extension - amount or degree or range to which something extends; "the wire has an extension of 50 feet"lengthiness, prolongationlongness - the property of being of long spatial extent; "one gene causes shortness and the other causes longness"coextension - equality of extension or duration
	10.	extension - an additional telephone set that is connected to the same telephone lineextension phone, telephone extensionphone, telephone, telephone set - electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds; "I talked to him on the telephone"
	11.	extension - an addition to the length of somethingelongationaddition, add-on, improver - a component that is added to something to improve it; "the addition of a bathroom was a major improvement"; "the addition of cinnamon improved the flavor"
	12.	extension - an addition that extends a main buildingannex, annexe, wingaddition, add-on, improver - a component that is added to something to improve it; "the addition of a bathroom was a major improvement"; "the addition of cinnamon improved the flavor"building, edifice - a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"ell - an extension at the end and at right angles to the main building

extension

noun1. annexe, wing, addition, supplement, branch, appendix, add-on, adjunct, appendage, ell, addendum the new extension to London's National Gallery2. lengthening, extra time, continuation, postponement, prolongation, additional period of time, protraction He has been granted a six-month extension to his visa.3. development, expansion, widening, increase, stretching, broadening, continuation, enlargement, diversification, amplification, elongation, augmentation Russia is contemplating the extension of its territory

extension

noun1. The act of making something longer or the condition of being made longer:elongation, prolongation, protraction.2. The act of increasing in dimensions, scope, or inclusiveness:enlargement, expansion, spread.3. An area within which something or someone exists, acts, or has influence or power:ambit, compass, extent, orbit, purview, range, reach, realm, scope, sphere, sweep, swing.4. A part added to a main structure:annex, arm, wing.

Translations

函授延长扩充扩展电话分机

extend

(ikˈstend) verb1. to make longer or larger. He extended his vegetable garden. 擴展 扩展2. to reach or stretch. The school grounds extend as far as this fence. 延伸 延伸3. to hold out or stretch out (a limb etc). He extended his hand to her. 伸出 伸出4. to offer. May I extend a welcome to you all? 給予 给予exˈtension (-ʃən) noun1. an added part. He built an extension to his house; a two-day extension to the holiday; He has telephone extensions (= telephones) in every bedroom. 附加部份，擴建部份 附加部份2. (a program by which) part of a university located somewhere else offers courses to people who are not fulltime students. 函授 函授3. the process of extending. 擴展，延伸 扩展，延长 4. a telephone that operates on the same line as another. They have a phone in the living-room and an extension in the bedroom. 電話分機 电话分机exˈtensive (-siv) adjective large in area or amount. extensive plantations; He suffered extensive injuries in the accident. 廣闊的，廣泛的，大量的 广阔的，广泛的，广大的

extension

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