Extension

Ex`ten´sion

The act of extending or the state of being extended; a stretching out; enlargement in breadth or continuation of length; increase; augmentation; expansion.

(Physics) That property of a body by which it occupies a portion of space.

(Logic & Metaph.) Capacity of a concept or general term to include a greater or smaller number of objects; - correlative of intension.

The law is that the intension of our knowledge is in the inverse ratio of its extension.

- Sir W. Hamilton.

The extension of [the term] plant is greater than that of geranium, because it includes more objects.

- Abp. Thomson.

(Surg.) The operation of stretching a broken bone so as to bring the fragments into the same straight line.

(Physiol.) The straightening of a limb, in distinction from flexion.

(Com.) A written engagement on the part of a creditor, allowing a debtor further time to pay a debt.

Counter extension
(Surg.) See under Counter.

Extension table
a table so constructed as to be readily extended or contracted in length.

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"
	2.	extension - act of expanding in scope; making more widely available; "extension of the program to all in need"
	3.	extension - the spreading of something (a belief or practice) into new regions Synonyms: propagation
	4.	extension - an educational opportunity provided by colleges and universities to people who not enrolled as regular students Synonyms: extension service, university extension
	5.	extension - act of stretching or straightening out a flexed limb Antonyms: flexion, 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 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" Synonyms: file name extension, filename extension
	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" Synonyms: denotation, reference
	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"
	9.	extension - amount or degree or range to which something extends; "the wire has an extension of 50 feet" Synonyms: lengthiness, prolongation
	10.	extension - an additional telephone set that is connected to the same telephone line Synonyms: extension phone, telephone extension
	11.	extension - an addition to the length of something Synonyms: elongation
	12.	extension - an addition that extends a main building Synonyms: annex, annexe, wing

EXTENSION, comm. law. This term is applied among merchants to signify an agreement made between a debtor and his creditors, by which the latter, in order to enable the former, embarrassed in his circumstances, to retrieve his standing, agree to wait for a definite length of time after their several claims should become due and payable, before they will demand payment.
2. Among the French, a similar agreement is known by the name of atermoiement. Merl. Rep. mot Atermoiement.

1.	(filename extension)	extension - filename extension.
2.	(programming)	extension - A feature or piece of code which extends a program's functionality, e.g. a plug-in.

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